the effects of transdermal nitrate ( tn ) ( transiderm-nitro tts , geigy pharmaceuticals , one 10 cm2 patch daily ) and oral isosorbide dinitrate ( isdn ) ( sorbitrate , stuart pharmaceuticals , 10 mg three times daily ) were compared in a group of 20 patients with chronic stable angina pectoris .
C0028125
nitrate
C0022252
isosorbide dinitrate