共 66 条
[13]
BORNMANN L, 2003, U PRUFSTAND KONZEPTE
[15]
Descriptive survey of non-commercial randomised controlled trials in the United Kingdom, 1980-2002
[J].
BRITISH MEDICAL JOURNAL,
2003, 327 (7422)
:1017-1019
[17]
Cohen J., 1988, STAT POWER ANAL BEHA
[19]
Cole S., 1992, Making science: Between nature and society