共 48 条
[2]
[Anonymous], 1990, BMJ, V301, P651
[4]
BARNES PJ, 1989, NEW ENGL J MED, V321, P1517
[7]
BARNES PJ, 1990, AM REV RESPIR DIS, V141, pS70
[10]
BEL E H, 1991, American Review of Respiratory Disease, V143, pA811