Studies in angiocardiography; the problems involved in the rapid, selective, and safe injections of radiopaque materials; development of a special catheter for selective angiocardiography.
D000792:Angiography; D006328:Cardiac Catheterization / Q000295:instrumentation*; D002404:Catheterization; D006321:Heart; D006801:Humans; D007267:Injections
ANGIOGRAPHY; CATHETERIZATION, CARDIAC/apparatus and instruments