ＲｉｃｈａｒｄＨａｕｇｈ在Ｈ＆ＨＮ杂志 1999年 9月第 5 8～ 6 2页对发生在加里弗里亚的一个关于医疗保险机构无故终止与医生合同的诉讼案件及由此引发的争论进行了简要的介绍。1992年 7月 ,大都会人寿保险公司从其保健计划的医生名单中无故开除了ＬｏｕｉｓＰｏｔｖｉｎ ;次 Richard Haugh gave a brief introduction to the lawsuit in Gary Friah regarding the unreasonable termination of doctor’s contract with the medical insurance agency and the resulting controversy in H&HN magazine, September 1999, pp. 58-62. In July 1992, Metropolitan Life Insurance Inc. expelled Louis Potvin from the list of doctors in his health plan;