[5,4-d] pyrimidine].
D000368:Aged; D000369:Aged, 80 and over; D000787:Angina Pectoris; D011743:Pyrimidines; D014665:Vasodilator Agents / Q000628:therapy*
D011743:Pyrimidines; D014665:Vasodilator Agents; C030986:pyrimidine
ANGINA PECTORIS/in old age; VASODILATOR AGENTS/therapy