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by Bull, Peter D.; Clarke, Ray
by Editor: Harold S. Ludman; Editor: Patrick Bradley (Queen's Medical Centre, University of Nottingham, Nottingham, UK)
by American Medical Association
by BEHRBOHM H.
by Davis, James B.
by Behrbohm, Hans; Kaschke, Oliver; Nawka, Tadeus, M.D.; et al.
by Shapiro, Nina L., M.D.
by Editor: John Graham (Royal National Throat, Nose and Ear Hospital, London); Editor: David Baguley (Addenbrooke's Hospital, Cambridge )