[Comparative characteristics of morbidity of the upper respiratory tract in workers of the Dzhezkazgansk concentrating plant and mine].
D004194:Disease; D006801:Humans; D009784:Occupational Diseases / Q000706:statistics & numerical data*; D012120:Respiration Disorders; D012137:Respiratory System; D012140:Respiratory Tract Diseases
OCCUPATIONAL DISEASES/statistics; RESPIRATORY SYSTEM/diseases