需要探索在透钙磷石中添加成骨因子是否对改善其骨形成有有益作用。

It needs to explore whether adding osteogenic factors into brushite have beneficial effect on improving its bone formation.

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在透钙磷石中加入成骨诱导因子是否有利于改善其成骨效果，有待进一步实验研究。

It needs further experimental studies to explore whether adding osteogenic factors into brushite have beneficial effect on improving its bone formation.

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作者取患尿石病和健康绵羊血清各8份，分别测定其钙、磷、镁、钾、钠、氯、非蛋白氮和粘蛋白等成分。

Authors measured serum Ca, p, Mg, K, Na, Cl, nonprotein nitrogen and mucin of 8 serum in urolithiasis sheep and health sheep separately.

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