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Subjects
- Dust[remove]6
- Housekeeping -- methods2
- Tuberculosis, Pulmonary -- prevention & control2
- Air Pollution, Indoor -- adverse effects1
- Disease Transmission, Infectious1
- Inhalation Exposure1
- Lead -- adverse effects1
- Mining1
- Mouth Breathing1
- Occupational Exposure1
- Oklahoma1
- Respiration1
- Respiratory Tract Infections -- etiology1
- Zinc -- adverse effects1