title: [Echocardiographic study of perivalvular leakage of the Björk-Shiley prosthetic heart valve in the mitral position (author's transl)].
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D004452:Echocardiography; D006350:Heart Valve Prosthesis; D006801:Humans; D008297:Male; D008943:Mitral Valve / Q000601:surgery*; D008944:Mitral Valve Insufficiency / Q000175:diagnosis; D011183:Postoperative Complications / Q000175:diagnosis*