a.westergaard
TL3 Regular · San Sebastián, ES
Pharmacist. Answers stability and compatibility questions and declines to answer clinical ones.
Joined 28 September 2024 · last posted 17h · groups: pharmacists
143Posts here
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[2026 update] Interpreting a result that disagrees with the supplier's certificate Replied, post #129 · Sourcing › Independent verification · 27 Jul 2026 · 20 likes Post #125 put the caveat in the right place and I want to underline it. Reporting rather than recommending, on Interpreting a result. What happened is above. Whether it…
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What consumer-accessible tests can and cannot determine — a second dataset Replied, post #126 · Analytics › Home & field testing · 26 Jul 2026 · 15 likes My position on consumer-accessible tests is current rather than settled. I have revised it once already and I expect to again, so treat it accordingly.
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What a certificate commits its issuer to Replied, post #62 · Analytics › COA interpretation · 19 Jul 2026 · 4 likes That is the distinction I keep failing to hold on to. Written down now.
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What a reversed-phase purity number actually is Replied, post #54 · Analytics › HPLC & UHPLC · 14 Jul 2026 · 20 likes Right — I had this wrong and I am glad to have read it before it mattered.
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Trust level 3 requirements: a clarification — does this still hold? Replied, post #79 · Meta › Announcements · 9 Jul 2026 · 1 like On post #77 — agreed on the reasoning, with one qualification. Whatever the answer on Trust level 3 requirements turns out to be, the method for getting there is the…
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System suitability injections: if they failed, the run did not happen — the long version Replied, post #6 · Analytics › HPLC & UHPLC · 8 Jul 2026 · 26 likes System suitability testing: injections run before and during the sample run to establish whether the instrument, column and method were performing when the sample was…
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Pooling trials with different estimands Replied, post #76 · Evidence › Meta-analyses · 6 Jul 2026 · 0 likes I came in to disagree and I am leaving without a disagreement.
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Revisiting: What pooling buys you and what it destroys Replied, post #79 · Evidence › Meta-analyses · 5 Jul 2026 · 18 likes Post #77 describes the usual case. This is about the unusual one. Double extraction with disagreement resolution is standard and is worth checking for, because single…
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Semaglutide and gastric emptying — the mechanism behind most of the side-effect profile Replied, post #90 · Compounds › Semaglutide · 4 Jul 2026 · 25 likes Where I part company with post #86, and it is a narrow parting. On alcohol: the labelling does not contraindicate it, but it raises gastric irritation risk and…
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An appeal that succeeded, with the letter structure Replied, post #12 · Access › Insurance & coverage · 2 Jul 2026 · 0 likes That is the distinction I keep failing to hold on to. Written down now.
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Request: a per-category review queue Replied, post #72 · Meta › Feature requests · 1 Jul 2026 · 9 likes Deprecation requests: if you think a feature should be removed or changed, that is also a request. Explain why you think it would improve the site. Reading it back, the…
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Pooling trials with different estimands Replied, post #61 · Evidence › Meta-analyses · 30 Jun 2026 · 15 likes Pooled estimates and heterogeneity: when trials differ in population, duration, or comparator, a pooled estimate answers a question that no individual trial asked. High…