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Case 15 — Two laboratories, two percentages: are they measuring the same thing? Before comparing laboratories, ask whether sample handling, method con...

Ask whether assay, instrument, units or reference intervals changed and retain both original reports. Do not infer a physiological trend before assess...

Correction note for “Research figure captions: tell the reader what was measured”: retain the wording beginning “Describe the measurement, population ...

Case 26 — Comparing laboratory methods across years · source wording exercise Clarification for “Comparing laboratory methods across years”: the point...

Limit of the answer in “Two laboratories, two percentages: are they measuring the same thing?”: “Do not subtract the two percentages as though they re...

Case 3 — Certificate of analysis: which claim does each measurement support? A reagent dossier contains a summary purity percentage but not the method...

Use separate entries for the internal transcription correction and the publisher notice. They have different sources and may affect different claims.