共 12 条
[1]
Assessing the quality of reports of randomized clinical trials: Is blinding necessary?
[J].
CONTROLLED CLINICAL TRIALS,
1996, 17 (01)
:1-12
[2]
临床流行病学.[M].王家良主编;.上海科学技术出版社.2001,
[3]
[4]
[5]
[7]
[8]
[9]
[10]

