机构:
Univ Penn, Sch Med, Dept Family Practice & Community Med, Philadelphia, PA 19104 USAUniv Penn, Sch Med, Dept Family Practice & Community Med, Philadelphia, PA 19104 USA
Bowman, MA
Nicklin, DE
论文数: 0引用数: 0
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机构:
Univ Penn, Sch Med, Dept Family Practice & Community Med, Philadelphia, PA 19104 USAUniv Penn, Sch Med, Dept Family Practice & Community Med, Philadelphia, PA 19104 USA
Nicklin, DE
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
1998,
279
(18):
: 1437
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1438