[Corticosteroids in chronic obstructive pulmonary disease: past, present and future].
Sun
Xian-Wen
XW
Li
Qing-Yun
QY
Gu
Shu-Yi
SY
D000305:Adrenal Cortex Hormones / Q000627:therapeutic use*; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy*
D000305:Adrenal Cortex Hormones