Can Fam Physician. 1986 Feb;32:283-7.
Analysis of laboratory use and referrals within a family practice teaching group showed large differences in physicians' behavior. There were three- to four-fold differences between physicians, both for the number and the costs of laboratory use and X-ray services. There were equally large variations in the types of referrals (to medical, dermatologic, obstetric and gynecologic, surgical, ophthalmological and psychological services). There was no consistent pattern for any physician: that is, if a physician used laboratory investigations often, that physician might seldom use X-ray services or might refer fewer patients to specialists. These results have major implications for teachers and for teaching cost containment.
对家庭医生教学组内的实验室使用和转科情况进行分析后发现，医生的行为存在很大差异。医生之间的实验室使用和 X 光服务数量和费用相差三到四倍。转科情况（转至内科、皮肤科、妇产科、外科、眼科和心理科）同样差异很大。任何一位医生都没有固定模式：也就是说，如果某位医生经常使用实验室检查，那么他可能很少使用 X 光服务，或者很少将患者转至专科医生处。这些结果对教师和教学成本控制都具有重要意义。
