共 6 条
[2]
Turning a blind eye: the success of blinding reported in a random sample of randomised, placebo controlled trials
[J].
BRITISH MEDICAL JOURNAL,
2004, 328 (7437)
:432-434
[3]
HAYNES RB, 2003, CLIN EPIDEMIOLOGY CL, P103
[5]
SCHULZ KF, 2007, COMMUNICATION 0223
[6]
TAYLOR DW, 1991, NEW ENGL J MED, V325, P445