TY - GEN AU - Higgins,I T TI - Chronic respiratory disease in mining communities SN - 0077-8923 PY - 1973///0724 KW - Adult KW - Aged KW - Air Pollution KW - Blood Pressure KW - Body Height KW - Body Weight KW - Bronchitis KW - epidemiology KW - Chronic Disease KW - Coal Mining KW - Dust KW - Dyspnea KW - Electrocardiography KW - England KW - Female KW - Humans KW - Male KW - Middle Aged KW - Pneumoconiosis KW - Respiratory Function Tests KW - Respiratory Tract Diseases KW - Smoking KW - complications KW - Sputum KW - analysis KW - Time Factors KW - Wales KW - West Virginia N1 - Publication Type: Journal Article UR - https://doi.org/10.1111/j.1749-6632.1972.tb40188.x ER -