THE 1960 WORLD-WIDE STUDY OF PROGRAMS IN SPEECH AND HEARING DISORDERS.
D006311:Hearing Disorders; D006801:Humans; D007390:International Agencies; D007391:International Cooperation; D012106:Research; D013060:Speech; D013064:Speech Disorders; D013070:Speech Therapy
HEARING DISORDERS; INTERNATIONAL AGENCIES; INTERNATIONAL COOPERATION; RESEARCH; SPEECH DISORDERS; SPEECH THERAPY