the observation on changes of serum phenylalanine. tyrosine, vitamins a and e levels in school-age children with symptomatic or occult iron deficiency

  • 学龄儿童缺铁性贫血、隐性缺铁时血清苯丙氨酸、酪氨酸及维生素A、E含量的变化规律观察

  • 互联网摘选 2026-07-13 05:38:46

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