These preparations, skimmed milk powder, active ionic calcium powder and basic food (low calcium meal) were fed to 6 groups of weanling rats for 30 days, and 3 days calcium metabolism tests were done.
用三种对虾钙、脱脂奶粉、活性离子钙配制的饲料及基础低钙饲料，喂养6组大鼠30天，并做3天代谢试验。
Objective To study the effect of lead on the calcium absorption and bone development in weanling rats.
目的研究铅对大鼠钙的吸收和骨骼生长的影响。
Objective To study the effect of lead on the calcium absorption and bone development in weanling rats.
目的研究铅对大鼠钙的吸收和骨骼生长的影响。
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