[FREQUENCY OF RESPIRATORY ALLERGY AND BRONCHITIS IN SANITATION WORKERS].
D001991:Bronchitis; D006801:Humans; D009784:Occupational Diseases; D012130:Respiratory Hypersensitivity; D012499:Sanitation
BRONCHITIS; OCCUPATIONAL DISEASES; RESPIRATORY HYPERSENSITIVITY
FREQUENZA DELL'ALLERGIA RESPIRATORIA E DELLE BRONCHITI NEI LAVORATORI DELLA NETTEZZA URBANA.