共 5 条
[1]
*CENTRAL COCHR CEN, 2006, COCHR LIB
[3]
SWARTZ D, 1967, J CHRON DIS, V20, P637
[4]
TEWEEK S, 2006, J CLIN EPIDEMIOL, V59, P1127
[5]
Practical clinical trials - Increasing the value of clinical research for decision making in clinical and health policy
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
2003, 290 (12)
:1624-1632