Amphotericin B assays on frozen serum samples (-20 degrees C) generally underestimate the serum levels obtained on promptly processed samples. The degree of the discrepancy is variable and independent of the length of time stored.
No takes yet. Share an insight, caveat, or question.
Bannatyne et al. (1977) studied this question.
Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context: