DIFFICULTIES WITH RETROSPECTIVE STUDIES

被引:1
作者
ENGSTROM, FW
机构
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D O I
10.1176/ajp.136.2.239
中图分类号
R749 [精神病学];
学科分类号
100205 ;
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页码:239 / 239
页数:1
相关论文
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[2]  
GUNDERSON JG, 1978, AM J PSYCHIAT, V129
[3]   PROBLEMS IN ANALYSIS OF SURVEY DATA, AND A PROPOSAL [J].
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