VARIATION IN THE USE OF CARDIAC-CATHETERIZATION AND CARDIAC-SURGERY IN THE VA HEALTH-CARE SYSTEM - EFFECTS OF GEOGRAPHIC REGION AND HOSPITAL COMPLEXITY
R. Burns et al., VARIATION IN THE USE OF CARDIAC-CATHETERIZATION AND CARDIAC-SURGERY IN THE VA HEALTH-CARE SYSTEM - EFFECTS OF GEOGRAPHIC REGION AND HOSPITAL COMPLEXITY, Circulation, 88(4), 1993, pp. 10-10