共 14 条
[1]
BLACKBURN H, 1969, MEASUREMENTS EXERCIS
[4]
COCHRANE AL, 1951, LANCET, V260, P1007
[7]
FEINSTEI.AR, 1970, AM REV RESPIR DIS, V101, P671
[9]
Friesinger G C, 1970, Trans Assoc Am Physicians, V83, P78