[Survey of health conditions among workers employed in the production of superphosphates].
D011756:Diphosphates; D004391:Dust; D006801:Humans; D009784:Occupational Diseases / Q000209:etiology*; D010710:Phosphates / Q000633:toxicity*
D011756:Diphosphates; D004391:Dust; D010710:Phosphates; C033414:superphosphate
DUST; OCCUPATIONAL DISEASES/etiology; PHOSPHATES/toxicology