A narrower follow-up, since the general answer is now clear:
What did you change at the same time, and can you separate the two now?
DoseLogDan said:Practical: whatever you change, write down the date and the reason.
Pushing back on DoseLogDan here. I think the framing smuggles in the conclusion. Ask it the other way round and the obvious answer reverses, which usually means the question is doing the work.
Moderator note: two posts asking for a source have been merged into one. Please search the thread before asking again. Report rather than reply if it drifts again.
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Browse GL BiochemDoseLogDan said:Practical: whatever you change, write down the date and the reason.
This answered a question I did not know how to ask. I will report back once I have actually tried it.
Clinical perspective, offered as context rather than as advice. It helps to say which part of this you are uncertain about. A precise question gets a precise answer; a general one gets everybody’s favourite anecdote.