The analysis of failure time data in crossover studies.
Bristol
D R
DR
D000787:Angina Pectoris / Q000188:drug therapy*; D001262:Atenolol / Q000627:therapeutic use; D009543:Nifedipine / Q000627:therapeutic use; D016016:Proportional Hazards Models; D012107:Research Design / Q000592:standards*; D013997:Time Factors
D001262:Atenolol; D009543:Nifedipine