adrenal scintigrams using 131i-19-iodocholesterol were obtained after short pre-treatment with dexamethasone , while 131i-6 beta-iodomethyl-19-nor-cholesterol scintigrams were performed after long-term pre-treatment with dexamethasone during 9-21 days .
C0000176
19-iodocholesterol
C0008377
cholesterol