title: Nifedipine-induced alterations in serum quinidine concentrations.
mesh_terms: D000368:Aged; D003327:Coronary Disease / Q000097:blood / Q000188:drug therapy; D004347:Drug Interactions; D006801:Humans; D008297:Male; D008875:Middle Aged; D009543:Nifedipine / Q000494:pharmacology*; D011802:Quinidine / Q000097:blood*
chemical_list: D009543:Nifedipine; D011802:Quinidine