机构:
UNIV MINNESOTA,SCH MED,DEPT FAMILY PRACTICE & COMMUNITY HLTH,MINNEAPOLIS,MN 55455UNIV MINNESOTA,SCH MED,DEPT FAMILY PRACTICE & COMMUNITY HLTH,MINNEAPOLIS,MN 55455
VERBY, JE
[1
]
机构:
[1] UNIV MINNESOTA,SCH MED,DEPT FAMILY PRACTICE & COMMUNITY HLTH,MINNEAPOLIS,MN 55455
来源:
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION
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1992年
/
268卷
/
12期