title: A round peg for a round hole--progression to the ideal!
authors.forename: C E
authors.initials: CE
authors.lastname: Mullins
mesh_terms: D000818:Animals; D006328:Cardiac Catheterization / Q000295:instrumentation; D006344:Heart Septal Defects, Atrial / Q000628:therapy*; D006801:Humans; D019736:Prostheses and Implants; D011474:Prosthesis Design