共 18 条
[5]
Users' guides to the medical literature XXIII. Qualitative research in health care A. Are the results of the study valid?
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
2000, 284 (03)
:357-362
[8]
Communication of randomization in childhood leukemia trials
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
2004, 291 (04)
:470-475
[10]
MILLER V, 2005, J PED PSYCHOL, V1, P1