Design and methodological considerations in the National Cooperative Gallstone Study: a multicenter clinical trial.
Design and methodological considerations in the National Cooperative Gallstone Study: a multicenter clinical trial.
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国家胆结石合作研究的设计和方法学考虑:一项多中心临床试验。
DOI:
10.1016/0197-2456(81)90012-x
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发表时间:
1981
期刊:
影响因子:
--
通讯作者:
Z. Vlahcevic
中科院分区:
文献类型:
--
作者:
John M. Lachin;Jay W. Marks;L. Schoenfield;Malcolm P. Tyor;Peter H. Bennett;Scott M. Grundy;William G.M. Hardison;Lawrence W. Shaw;Johnson L. Thistle;Z. Vlahcevic