共 19 条
[1]
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
[2]
CUTLER JA, 1981, DIG DIS SCI S, V26, P90
[5]
GILBERT DA, 1990, DIG DIS SCI S, V36, P8
[6]
GOSTOUT CJ, 1992, SEMIN GASTROINTEST D, V33, P53
[8]
HARLAND R, 1992, J ROY SOC MED, V85, P26
[9]
JOHNSTON JH, 1990, GASTROINTEST ENDOS S, V36, P16