[Should we use steroids in the treatment of chronic obstructive pulmonary diseases?].
Levi
Y
Y
Maran
R
R
D000305:Adrenal Cortex Hormones / Q000627:therapeutic use*; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000188:drug therapy*
D000305:Adrenal Cortex Hormones