Diagnoses, treats and prevents human physical and mental disorders and injuries under the supervision of medical specialists or senior general practitioners. Registration or licensing is required.

在医学专家或高级全科医生的监督下，诊断、治疗和预防人类生理和心理疾病和伤害。需要注册或许可。

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Practitioners must be familiar to some degree with medical specialties and, especially in health maintenance organizations, are now often gatekeepers who refer patients to specialists when necessary.

开业医生必须对一些医学专科有某种程度的了解，尤其要熟悉保健组织，他们通常是第一线的把关者，必要时可把病人转介给专科医生。

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Based out of San Diego, Prepas was a member of California's Disaster Medical Assistance Team, a group of about 30 physicians, general practitioners, nurses, nurse practitioners and other specialists.

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