共 52 条
[3]
Birkmeyer JD, 1997, J AM COLL SURGEONS, V184, P589
[4]
CARRHILL RA, 1992, J PUBLIC HEALTH MED, V14, P236
[5]
DOES INAPPROPRIATE USE EXPLAIN GEOGRAPHIC VARIATIONS IN THE USE OF HEALTH-CARE SERVICES - A STUDY OF 3 PROCEDURES
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
1987, 258 (18)
:2533-2537