共 14 条
[2]
JENNRICH R, 1983, BMDP STATISTICAL SOF, P359
[6]
12-MINUTE WALKING TEST FOR ASSESSING DISABILITY IN CHRONIC-BRONCHITIS
[J].
BMJ-BRITISH MEDICAL JOURNAL,
1976, 1 (6013)
:822-823
[7]
MITCHELLHEGGS P, 1980, Q J MED, V49, P9
[8]
SACKNER MA, 1984, MT SINAI J MED, V51, P222