[ASSESSMENT OF OCCUPATIONAL VOICE DISORDERS (FROM THE VIEWPOINT OF MORE ACCURATE CLASSIFICATION)].
D003604:Czechoslovakia; D006801:Humans; D009497:Neurotic Disorders; D009784:Occupational Diseases; D014831:Voice; D014832:Voice Disorders
CZECHOSLOVAKIA; NEUROSES; OCCUPATIONAL DISEASES; VOICE
POSUZOV'AN'I PROFESION'ALN'ICH HLASOV'YCH PORUCH (S N'AVRHEM NA ZP RESN EN'I VYHL'A SKY)