机构:
Amer Med Assoc, Resident Phys Serv, Governing Council, Chicago, IL 60610 USAAmer Med Assoc, Resident Phys Serv, Governing Council, Chicago, IL 60610 USA
Valenti, J
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
1998,
280
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470C
机构:
Mayo Clin & Mayo Fdn, Div Prevent & Occupat Med & Internal Med, Rochester, MN 55905 USAMayo Clin & Mayo Fdn, Div Prevent & Occupat Med & Internal Med, Rochester, MN 55905 USA
机构:
E Boston Neighborhood Hlth Ctr, Dept Pediat & Adolescent Med, E Boston, MA 02128 USAE Boston Neighborhood Hlth Ctr, Dept Pediat & Adolescent Med, E Boston, MA 02128 USA