The doctors form the core of the medical force in a hospital. They are at four levels:chief physicians, associate chief physicians, attending(visiting) physicians and resident.

医生是医院医疗治疗力量的核心。他们有四个级别：主任医师、副主任医师、主治医师和住院医师。

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We decided to focus on retirement planning and brought in our resident experts, Matt Schifrin and Janet Novack, to help determine the core components of the app.

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