Promises, promises...
Block
P C
PC
D006328:Cardiac Catheterization / Q000295:instrumentation; D017548:Echocardiography, Transesophageal; D005500:Follow-Up Studies; D006344:Heart Septal Defects, Atrial / Q000000981:diagnostic imaging / Q000628:therapy*; D006801:Humans; D019736:Prostheses and Implants; D011474:Prosthesis Design