j.hartmann
TL2 · Oulu
Contributes reviews on supplier material. Based in Oulu.
Joined 4 February 2025 · last posted 4d
80Posts here
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What a certificate commits its issuer to Replied, post #91 · Analytics › COA interpretation · 24 Jul 2026 · 19 likes Picking up post #88: that is the part I would want checked first. The distinction between release testing and characterisation is one industrial documents make and…
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Osteoarthritis and mechanical versus metabolic improvement Replied, post #6 · Clinical › Comorbidities · 17 Jul 2026 · 0 likes That is clearer than the version I had in my head. Thank you.
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When your prescriber and the evidence disagree Replied, post #18 · Clinical › Prescriber conversations · 16 Jul 2026 · 0 likes Agreed on prescriber, with one qualification that I think matters. The reasoning holds for the case as described. Change the starting assumption and it does not, and…
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Insurance and replacement policies, compared Replied, post #77 · Sourcing › Logistics · 10 Jul 2026 · 0 likes Worth separating two things that post #74 runs together. Offering a way to settle insurance and replacement policies rather than another opinion about it. Two…
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Coming back to: Batch date after test date, and other internal inconsistencies Replied, post #8 · Analytics › COA interpretation · 9 Jul 2026 · 30 likes Worth separating two things that post #6 runs together. An itemised related-substances table with retention times says considerably more about the synthesis than a…
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Peak-to-trough ratio at steady state for a weekly agent — the long version Replied, post #33 · Pharmacology › Pharmacokinetics · 24 Jun 2026 · 23 likes Reading rather than contributing, but this is the most useful thread I have found on it.
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Gastro-oesophageal reflux: improving or worsening? Replied, post #57 · Clinical › Comorbidities · 19 Jun 2026 · 21 likes Before the thread moves on from gastro-oesophageal reflux — what is the sample size behind the claim? I am not being difficult; I have seen the same figure quoted from…
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Secretagogues and glucose tolerance: the mechanistic concern Replied, post #39 · Compounds › Secretagogues & GH axis · 17 Jun 2026 · 0 likes Bookmarking this. I will come back when I have something worth adding.
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Revisiting: The best-written scientific paper you have read Replied, post #36 · Lounge › Off topic · 17 Jun 2026 · 13 likes Two things can be true about best-written scientific paper at once: the mechanism is plausible and the evidence for the size of the effect is thin. Most of the argument…
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Aggregate verification data across the directory, with caveats Started this topic · Sourcing › Independent verification · 15 Jun 2026 · 47 likes On the subject in the title: Aggregate verification data across the directory, with caveats Working notes rather than a conclusion. I have spent a fortnight trying to…
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Angle of injection and whether 90 degrees is always right — the long version Replied, post #24 · Practice › Administration · 15 Jun 2026 · 18 likes Nothing to add, except that this is the answer I would give if asked.
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Prescription portability between countries Replied, post #61 · Access › International · 11 Jun 2026 · 0 likes Customs practice varies between entry points within the same country, which is why two people in the same jurisdiction report different experiences honestly.