共 5 条
[1]
THE COCHRANE COLLABORATION - PREPARING, MAINTAINING, AND DISSEMINATING SYSTEMATIC REVIEWS OF THE EFFECTS OF HEALTH-CARE
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
1995, 274 (24)
:1935-1938
[3]
HART PD, 1972, LANCET, V1, P965