The substance was synthesized from P-hydroxybenzoic acid through three steps.
该物质以对羟基苯甲酸为原料，经三步合成。
"P" is for patience, to control oneself, to pace oneself and to follow certain steps in nature.
代表耐心，控制自己，调整自己，跟随天性的脚步。
Conclusion Suitable location or method and correct operation are the key steps to achieve a satisfactory cytologic or histologic diagnosis p...
结论选取合适的定位和取材方法及正确的操作是提高细胞学、组织学诊断的阳性率的关键步骤。
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