[Clinical observation of HRV in patients with coal worker's pneumoconiosis].
Bao
Ying
Y
Guan
Li
L
Li
Xiu-yang
XY
Wang
De-jun
DJ
D000368:Aged; D003032:Coal Mining; D004562:Electrocardiography; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011009:Pneumoconiosis / Q000503:physiopathology*