@Book{RANME20161618906, title = "Technique et indications des biopsies laryng\'{e}es", author = "Portmann, Georges Raymond, 1890-1985", publisher = "Paris : [s. n.]", editor = "[s. n.]", URL = "http://bibliotecavirtual.ranm.es/ranm/es/consulta/registro.do?id=63890", year = "19uu", }