title: Letter: RIA of digoxin: bioconversion or interference?
mesh_terms: D000368:Aged; D001711:Biotransformation; D002318:Cardiovascular Diseases / Q000188:drug therapy; D003429:Cross Reactions; D004074:Digitoxin / Q000009:adverse effects / Q000494:pharmacology; D004077:Digoxin / Q000097:blood*; D006801:Humans; D008297:Male; D011863:Radioimmunoassay
chemical_list: D004077:Digoxin; D004074:Digitoxin