Research documents serve different purposes. Before comparing them, identify the question each document can answer. This helps prevent a laboratory certificate, a study plan and a published result from being treated as interchangeable evidence.
A certificate of analysis
A certificate reports specified tests for an identified sample or batch. Check the identifiers, laboratory, method, date and stated results. Keep the scope of each measurement attached to the result. A purity figure does not establish a personal treatment outcome or make every other test unnecessary.
A protocol or registration record
These documents help describe a planned study and its record. Read their dates and status carefully. A planned outcome is not an observed finding, and a registered record may not yet have results. Retain the identifier so that later reports can be checked against the same study.
A journal paper
A paper gives an account of research, including methods, results and interpretation. Read the relevant sections rather than relying on a title or abstract alone. Where supplementary files are part of the report, keep their links with the main reference.
Organise by question, not appearance
In a shared folder, label documents by role and retain their original references. Record which question each one addresses and which questions remain open. Attractive formatting, a familiar logo or a long reference list cannot substitute for a match between the claim and the evidence.
Begin with our COA reading guide and batch-record guide. This overview does not assess clinical effectiveness or provide regulatory submission instructions.
Sources
Clova COA library and scope. FDA: study protocols. NCCIH: article sections.
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