共 33 条
[31]
SYSTEMATIC REVIEW - WHY SOURCES OF HETEROGENEITY IN METAANALYSIS SHOULD BE INVESTIGATED
[J].
BMJ-BRITISH MEDICAL JOURNAL,
1994, 309 (6965)
:1351-1355
[32]
Ukoumunne O. C., 1999, HLTH TECHNOL ASSESS, V3
[33]
CHOOSING THE CORRECT UNIT OF ANALYSIS IN MEDICAL-CARE EXPERIMENTS
[J].
MEDICAL CARE,
1984, 22 (12)
:1101-1114