1. Its safety and efficacy were tested and used to immunize the lactational and gestational bovines.
   分别免疫泌乳期和妊娠乳牛，收集免疫乳。
2. Pregnancy associated breast cancer (PABC) is a breast cancer diagnosed during the gestational or lactational period or in the year following birth.
   分析怀孕期发生的乳癌的诊断、治疗与预后。

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