WORLD 528,750 World Congress of Otorhinolaryngology. Venice,May 21-15,1973. Org. by the Sacieta Italiana di Otorinolaryngologia e di Patologia Cervice-Facciale,member af the IFOS... Abstracts.Ed.: M,Arslan in callab. with V.Ricci and D.F.N,Harrison. Amsterdam 1973 Excerpta Medica 8° a. nlb. VII, nlb. 1, 330. Excerpta Medica International Congress Series nr 276