[Duration of action of sustained-release metoprolol in effort angina pectoris].
D000368:Aged; D000787:Angina Pectoris / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D003692:Delayed-Action Preparations; D004311:Double-Blind Method; D006801:Humans; D008297:Male; D008790:Metoprolol / Q000627:therapeutic use*; D008875:Middle Aged
D003692:Delayed-Action Preparations; D008790:Metoprolol
Sulla durata d'azione del metoprololo ritardo sull'angina pectoris da sforzo.