A tested vial is evidence about a vial
A result on one vial generalises to a batch only if the vial was drawn in a way that makes it representative — and nobody records how it was drawn.
TheCompound Journal
Reporting on incretins, compounding & the peptide supply chain
Page 6 of 6 of this archive, newest first.
A result on one vial generalises to a batch only if the vial was drawn in a way that makes it representative — and nobody records how it was drawn.