@Book{RANME20161547213, title = "Temas de fonocardiograf\'{\i}a", author = "COSSIO, Pedro", publisher = "Buenos Aires : El Ateneo", editor = "El Ateneo", URL = "http://bibliotecavirtual.ranm.es/ranm/es/consulta/registro.do?id=56721", year = "1935", }