Patient perspectives on participation in a clinical trial of angina management.
D000203:Activities of Daily Living; D000368:Aged; D000787:Angina Pectoris / Q000188:drug therapy* / Q000523:psychology*; D001294:Attitude to Health; D002908:Chronic Disease; D003692:Delayed-Action Preparations; D005260:Female; D006801:Humans; D008297:Male; D015404:Nursing Methodology Research; D010358:Patient Participation / Q000523:psychology*; D011446:Prospective Studies; D011788:Quality of Life; D016032:Randomized Controlled Trials as Topic / Q000523:psychology*; D016037:Single-Blind Method; D014665:Vasodilator Agents / Q000627:therapeutic use*