On the selling of pharmaceuticals.
DeMaria
Anthony N
AN
D003132:Commerce; D004338:Drug Combinations; D006830:Hydralazine / Q000191:economics; D007548:Isosorbide Dinitrate / Q000191:economics; D004364:Pharmaceutical Preparations / Q000191:economics*
D004338:Drug Combinations; D004364:Pharmaceutical Preparations; C431665:isosorbide-hydralazine combination; D006830:Hydralazine; D007548:Isosorbide Dinitrate