Percutaneous transluminal coronary angioplasty: report from the registry of the National Heart, Lung and Blood Institute - Kent, K M; Bentivoglio, J G; Block, P C; Cowley, M J; Dorros, G; Gosselin, A J; Myler, R K; Simpson, J; Williams, D O; Fisher, L; Gillespie, M J; Kelsey, S; Mullin, S M; Mock, M B (Am J Cardiol, 1982)