张华，生殖内分泌专业副主任医师，从事不孕不育临床及科研工作20多年，拥有扎实的内分泌学、妇科学、病理学及外语基础。

Zhang, MD, deputy director of reproductive endocrinology, infertility in clinical and research for 20 years, has a solid endocrinology, gynecology, pathology, and foreign language foundation.

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厄苏拉。凯瑟医师为哈佛医学院副教授，布莱根妇女医院内分泌学、糖尿病和高血压部主任。

Ursula Kaiser, MD. Dr. Kaiser is Chief of the Division of Endocrinology, Diabetes and Hypertension at Brigham and Women's Hospital and Associate Professor of Medicine at Harvard Medical School.

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