Portmann, Michel., Otologic surgery : manual of oto-surgical techniques / Michel Portmann, Didier Portmann - San Diego : Singular , 1998 - 286 pages. : illustrations. ; 28 cm. ISBN: 1565939395 RM662.64 LCCN: 97-045064 Subjects--Topical Terms: Ear Diseases--surgery.Surgical Procedures, Operative--methods. National Library of Medicine Call No.: WV200