The treatment of angina pectoris with a new prolonged action pentaerythritol tetranitrate.
D000787:Angina Pectoris / Q000628:therapy*; D009573:Nitrites / Q000628:therapy*; D010417:Pentaerythritol Tetranitrate
D009573:Nitrites; D010417:Pentaerythritol Tetranitrate
ANGINA PECTORIS/therapy; NITRITES/therapy