https://labs.pho.chat/en Phở Labs curates AI-for-biomedicine research, evidence-grounded clinical case studies, and build-in-public notes. No fabricated sources. From the Phở Chat team. en https://labs.pho.chat/en/blog/how-to-read-hepatitis-b-serology https://labs.pho.chat/en/blog/how-to-read-hepatitis-b-serology Fri, 21 Aug 2026 00:00:00 GMT What a positive HBsAg means, and how to read Anti-HBs, Anti-HBc, and HBeAg. A guide to interpreting hepatitis B serology results, with cited sources. https://labs.pho.chat/en/blog/how-to-read-vitamin-d https://labs.pho.chat/en/blog/how-to-read-vitamin-d Fri, 21 Aug 2026 00:00:00 GMT What a 25-OH vitamin D test measures, the ng/mL and nmol/L units, and why the "sufficient" threshold is debated. How to read the result, with cited sources. https://labs.pho.chat/en/blog/byok-ai-bring-your-own-api-key https://labs.pho.chat/en/blog/byok-ai-bring-your-own-api-key Wed, 19 Aug 2026 00:00:00 GMT BYOK (bring your own API key) explained: how it works, what it costs versus a subscription, what it cannot cover, and how to judge if an app handles keys safely. https://labs.pho.chat/en/blog/chatgpt-alternative-for-research https://labs.pho.chat/en/blog/chatgpt-alternative-for-research Wed, 19 Aug 2026 00:00:00 GMT A ChatGPT alternative for literature and clinical work: why assistants fabricate references, what retrieval-grounded tools do differently, and how to pick one. https://labs.pho.chat/en/blog/claude-alternative https://labs.pho.chat/en/blog/claude-alternative Wed, 19 Aug 2026 00:00:00 GMT A Claude alternative comparison for research and clinical work: where Claude is strong, where a citation-grounded tool fits better, and how BYOK changes the cost. https://labs.pho.chat/en/blog/claude-vs-chatgpt https://labs.pho.chat/en/blog/claude-vs-chatgpt Wed, 19 Aug 2026 00:00:00 GMT Claude vs ChatGPT for literature and clinical work: where each is stronger, why neither guarantees real citations, and how your own API key lets you use both. https://labs.pho.chat/en/blog/five-models-162-papers https://labs.pho.chat/en/blog/five-models-162-papers Fri, 14 Aug 2026 00:00:00 GMT Five Gemini models read the same 162 scientific papers on one criteria set. The model costing 5.6x more lost on every metric. https://labs.pho.chat/en/blog/12-lead-ecg-placement https://labs.pho.chat/en/blog/12-lead-ecg-placement Mon, 10 Aug 2026 00:00:00 GMT 12-lead ECG placement explained: the exact anatomical position of V1 to V6 and the four limb electrodes, the order to place them in, and what the evidence says happens when they are off. https://labs.pho.chat/en/blog/how-to-read-an-ana-test https://labs.pho.chat/en/blog/how-to-read-an-ana-test Mon, 27 Jul 2026 00:00:00 GMT How to read an ANA test result: what the titer means, why 1:160 matters, how many healthy people test positive, and what staining patterns suggest. Every value cited. https://labs.pho.chat/en/blog/how-to-read-ige-tests https://labs.pho.chat/en/blog/how-to-read-ige-tests Mon, 27 Jul 2026 00:00:00 GMT How to read an IgE test result: what total and specific IgE measure, why a positive result means sensitization rather than clinical allergy, and what the sources do not state. https://labs.pho.chat/en/blog/how-to-read-rf-and-anti-ccp https://labs.pho.chat/en/blog/how-to-read-rf-and-anti-ccp Mon, 27 Jul 2026 00:00:00 GMT How to read rheumatoid factor and anti-CCP results: what each test measures, their sensitivity and specificity, why a positive RF is not a diagnosis. Every value cited. https://labs.pho.chat/en/blog/how-to-read-beta-hcg https://labs.pho.chat/en/blog/how-to-read-beta-hcg Thu, 16 Jul 2026 00:00:00 GMT What beta-hCG is, how qualitative and quantitative tests differ, and why levels are read by trend and clinical context, not one cutoff. Educational and cited. https://labs.pho.chat/en/blog/how-to-read-ferritin https://labs.pho.chat/en/blog/how-to-read-ferritin Thu, 16 Jul 2026 00:00:00 GMT Learn what ferritin is, normal ferritin ranges by sex, what low and high values suggest, and why inflammation raises it. Cited from StatPearls; ranges vary by lab. https://labs.pho.chat/en/blog/how-to-read-tumor-markers-cea-psa https://labs.pho.chat/en/blog/how-to-read-tumor-markers-cea-psa Thu, 16 Jul 2026 00:00:00 GMT What CEA and PSA tumor markers are, their reference ranges, and why an elevated value is not a cancer diagnosis. How to read a result, with cited StatPearls sources. https://labs.pho.chat/en/blog/how-to-read-uric-acid https://labs.pho.chat/en/blog/how-to-read-uric-acid Thu, 16 Jul 2026 00:00:00 GMT What serum uric acid is, what a normal level looks like, and how hyperuricemia relates to gout. A step-by-step guide to reading results, cited to StatPearls. https://labs.pho.chat/en/blog/how-to-analyze-research-data https://labs.pho.chat/en/blog/how-to-analyze-research-data Wed, 15 Jul 2026 00:00:00 GMT Learn how to analyze research data step by step: pick the right statistical test, check assumptions, and report results, with or without SPSS. https://labs.pho.chat/en/blog/how-to-appraise-evidence-quality https://labs.pho.chat/en/blog/how-to-appraise-evidence-quality Wed, 15 Jul 2026 00:00:00 GMT Learn how to appraise evidence quality with GRADE and systematic review screening, from framing your question to grading certainty of evidence. https://labs.pho.chat/en/blog/how-to-manage-references-and-citations https://labs.pho.chat/en/blog/how-to-manage-references-and-citations Wed, 15 Jul 2026 00:00:00 GMT Learn how to manage references and citations with EndNote, Mendeley, and Zotero. A step-by-step guide for researchers to keep sources organized. https://labs.pho.chat/en/blog/how-to-read-a-basic-ecg https://labs.pho.chat/en/blog/how-to-read-a-basic-ecg Wed, 15 Jul 2026 00:00:00 GMT Learn basic ECG (EKG) interpretation in 8 systematic steps: rate, rhythm, axis, P wave, PR, QRS, ST-T, QT. Includes a normal-values table with sources. https://labs.pho.chat/en/blog/how-to-read-a-lipid-panel https://labs.pho.chat/en/blog/how-to-read-a-lipid-panel Wed, 15 Jul 2026 00:00:00 GMT How to read a lipid panel: the standard normal cholesterol, LDL, HDL, and triglyceride ranges per NCEP ATP III, in one clear reference table. https://labs.pho.chat/en/blog/how-to-read-a-urinalysis https://labs.pho.chat/en/blog/how-to-read-a-urinalysis Wed, 15 Jul 2026 00:00:00 GMT Learn how to read a urinalysis step by step: the dipstick, normal specific gravity, urine pH, and standard reference categories that vary by lab. https://labs.pho.chat/en/blog/how-to-read-a-cbc https://labs.pho.chat/en/blog/how-to-read-a-cbc Wed, 15 Jul 2026 00:00:00 GMT A calm, cited guide to reading a CBC. Learn complete blood count normal values and how to interpret CBC results for WBC, hemoglobin, platelets, and MCV. https://labs.pho.chat/en/blog/how-to-read-an-arterial-blood-gas https://labs.pho.chat/en/blog/how-to-read-an-arterial-blood-gas Wed, 15 Jul 2026 00:00:00 GMT Learn how to read an arterial blood gas step by step: normal pH, PaCO2, HCO3, and PaO2 ranges plus a simple acid-base approach. https://labs.pho.chat/en/blog/how-to-read-an-electrolyte-panel https://labs.pho.chat/en/blog/how-to-read-an-electrolyte-panel Wed, 15 Jul 2026 00:00:00 GMT Learn how to read an electrolyte panel: normal sodium, potassium, and magnesium ranges explained. Reference ranges vary by lab. https://labs.pho.chat/en/blog/how-to-read-blood-sugar-and-hba1c https://labs.pho.chat/en/blog/how-to-read-blood-sugar-and-hba1c Wed, 15 Jul 2026 00:00:00 GMT Learn to read HbA1c and blood sugar results, including the HbA1c diabetes range and normal fasting glucose, with thresholds cited to standard criteria. https://labs.pho.chat/en/blog/how-to-read-crp https://labs.pho.chat/en/blog/how-to-read-crp Wed, 15 Jul 2026 00:00:00 GMT Learn how to read a CRP result: what normal CRP means, why it signals inflammation, and how hs-CRP maps to cardiovascular risk. Ranges vary by lab. https://labs.pho.chat/en/blog/how-to-read-kidney-function-tests https://labs.pho.chat/en/blog/how-to-read-kidney-function-tests Wed, 15 Jul 2026 00:00:00 GMT Learn how to read kidney function tests: the eGFR normal range, the KDIGO CKD stages, and why serum creatinine varies by age and sex. https://labs.pho.chat/en/blog/how-to-read-liver-function-tests https://labs.pho.chat/en/blog/how-to-read-liver-function-tests Wed, 15 Jul 2026 00:00:00 GMT Learn how to read liver function tests: normal ALT AST levels, elevated liver enzymes, and LFT interpretation for hepatocellular vs cholestatic patterns. https://labs.pho.chat/en/blog/how-to-read-pt-and-inr https://labs.pho.chat/en/blog/how-to-read-pt-and-inr Wed, 15 Jul 2026 00:00:00 GMT Learn how to read PT and INR: the normal INR range, what prothrombin time means, and why reference ranges vary by lab. https://labs.pho.chat/en/blog/how-to-read-thyroid-function-tests https://labs.pho.chat/en/blog/how-to-read-thyroid-function-tests Wed, 15 Jul 2026 00:00:00 GMT How to read thyroid function tests: the normal TSH range, high vs low TSH, and why T4 and T3 stay qualitative. Educational and cited. https://labs.pho.chat/en/blog/how-to-search-scientific-literature https://labs.pho.chat/en/blog/how-to-search-scientific-literature Wed, 15 Jul 2026 00:00:00 GMT Learn how to search scientific literature using PubMed, Google Scholar, MeSH, and Boolean operators to find high-quality research fast. https://labs.pho.chat/en/blog/pho-chat-vs-consensus https://labs.pho.chat/en/blog/pho-chat-vs-consensus Sat, 11 Jul 2026 00:00:00 GMT Looking for a Consensus alternative? How each tool answers scientific questions, citation reliability, USD pricing and BYOK. Competitor figures verified July 2026. https://labs.pho.chat/en/blog/pho-chat-vs-elicit https://labs.pho.chat/en/blog/pho-chat-vs-elicit Sat, 11 Jul 2026 00:00:00 GMT Looking for an Elicit alternative? Elicit vs Phở Chat for systematic reviews and review writing: features, USD pricing, BYOK. Figures verified July 2026. https://labs.pho.chat/en/blog/pho-chat-vs-openevidence https://labs.pho.chat/en/blog/pho-chat-vs-openevidence Sat, 11 Jul 2026 00:00:00 GMT OpenEvidence requires a US NPI and left the EU/UK. An alternative for clinicians elsewhere: evidence-tiered answers, cite-or-abstain, no ads. Verified July 2026. https://labs.pho.chat/en/blog/pho-chat-vs-scispace https://labs.pho.chat/en/blog/pho-chat-vs-scispace Sat, 11 Jul 2026 00:00:00 GMT Looking for a SciSpace alternative? An honest comparison: features, credits vs flat pricing, BYOK, and when to pick each tool. Figures verified July 2026. https://labs.pho.chat/en/blog/pho-chat-vs-undermind https://labs.pho.chat/en/blog/pho-chat-vs-undermind Sat, 11 Jul 2026 00:00:00 GMT Looking for an Undermind alternative? Agentic deep search vs an all-in-one research workspace: coverage, USD pricing, BYOK. Competitor figures verified July 2026. https://labs.pho.chat/en/blog/no-fabricated-sources https://labs.pho.chat/en/blog/no-fabricated-sources Thu, 09 Jul 2026 00:00:00 GMT Measured evidence: language models fabricate citations at scale, and fail nearly half the time when retrieving medical literature. Here is how Phở does it differently. https://labs.pho.chat/en/blog/intro-pho-labs https://labs.pho.chat/en/blog/intro-pho-labs Wed, 08 Jul 2026 00:00:00 GMT Why Phở opened a home for research, case studies, and build-in-public notes. And the principle throughout: no fabricated sources. https://labs.pho.chat/en/case-studies/clopidogrel-cyp2c19 https://labs.pho.chat/en/case-studies/clopidogrel-cyp2c19 Tue, 07 Jul 2026 00:00:00 GMT Post-stent patient, CYP2C19 poor metabolizer. Is clopidogrel still effective, switch to what, and how strong is the evidence? How Phở answers with sources.