Occupational asthma case finding: a role for primary care.
Mark L
ML
Levy
Paul J
PJ
Nicholson
D001249:Asthma / Q000175:diagnosis* / Q000209:etiology / Q000628:therapy; D042241:Early Diagnosis; D006801:Humans; D009784:Occupational Diseases / Q000175:diagnosis* / Q000209:etiology / Q000628:therapy; D016273:Occupational Exposure / Q000009:adverse effects; D012307:Risk Factors