The control specimens were taken from normal iliac cartilage (2 specimens) and normal facet joint (2 specimens).
与正常髂骨嵴软骨（2例）及小关节突软骨（2例）对照。
The osteocytes of the cancellous bone tissues of the control specimens belonged to formative and resorptive phase osteocytes.
对照标本松质骨的骨细胞处于成骨相及吸收相。
Measures for quality control of bacterial test of medical clinical specimens.
细菌检验；标本采集；质量控制。
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