Pulmonary function in coal miners.
B G
BG
FERRIS
N R
NR
FRANK
D003031:Coal; D003032:Coal Mining; D006801:Humans; D008168:Lung; D012119:Respiration / Q000502:physiology*; D012143:Respiratory Physiological Phenomena
D003031:Coal
COAL MINING; RESPIRATION/physiology