Users' guides to the medical literature. XIII. How to use an article on economic analysis of clinical practice. A. Are the results of the study valid? Evidence-Based Medicine Working Group.
作者信息
Drummond M F, Richardson W S, O'Brien B J, Levine M, Heyland D
机构信息
Centre for Health Economics, University of York, England.
出版信息
JAMA. 1997 May 21;277(19):1552-7. doi: 10.1001/jama.277.19.1552.