共 40 条
[4]
Batson Glenna, 2009, J Dance Med Sci, V13, P35
[5]
Beaton DE, 2001, J RHEUMATOL, V28, P400
[7]
POWER AND SAMPLE-SIZE CALCULATIONS - A REVIEW AND COMPUTER-PROGRAM
[J].
CONTROLLED CLINICAL TRIALS,
1990, 11 (02)
:116-128
[10]
Haahr M., RANDOM ORG TRUE RAND