INFECTIVE PNEUMOCONIOSIS. VARIABLE COAL WITH CONSTANT  TUBERCULOSIS.
D000818:Animals; D003031:Coal; D006168:Guinea Pigs; D006652:Histological Techniques; D008168:Lung; D010336:Pathology; D011009:Pneumoconiosis; D012106:Research; D014376:Tuberculosis; D014397:Tuberculosis, Pulmonary
D003031:Coal
EXPERIMENTAL LAB STUDY; GUINEA PIGS; HISTOLOGICAL TECHNICS; PATHOLOGY; PNEUMOCONIOSIS; TUBERCULOSIS, PULMONARY