2009年,我们自制了一种小儿手术体位垫,应用于唇颚裂手术50余例,扁桃体摘除术40余例,神经外科手术10余例,均未出现因体位不当造成......

Objective To evaluate the effects of retinoic acid(RA)on expression of bone morphogenetic protein 7(BMP-7)in rat fetus w......

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