The influence of trace elements upon the babies health has been attached more and more importance by the clinicalgynecology and obstetrics.
微量元素对婴儿健康的影响已愈来愈多的被临床妇产科所重视。
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Hilda Hutcherson, M.D., is a clinical professor of obstetrics and gynecology at Columbia University's College of Physicians and Surgeons in New York City and the author of Pleasure.