in 24 patients ( pts ) with proven coronary artery disease , stable angina pectoris ( ap ) and elevated pulmonary artery pressure ( pap ) during bicycle exercise , the acute and chronic ( 4 and 8 months ) effects of several long-acting nitrates in different dosages : 50-300 mg pentaerythrityltetranitrate ( petn ) or 40-120 mg isosorbide dinitrate ( isdn ) were evaluated in comparison to sublingual nitroglycerin .
C0028125
nitrates
C0017887
nitroglycerin