Symposium on fluctuant hearing loss
Card's contents:THE OTOLARYNGOLOGIC CLINICS 527,695 OF NORTH AMERICA vol.8, nr.2. Symposium on fluctuant hearing loss. John J.Shea, guest ed. Philadelphia 1975 W.B.Saunders Company 8° s. IX, nlb. 1, 257-545, il. The Otolaryngologic Clinics of North America vol. 8, nr 2