结果15块破裂斑块中有12例PAPP-A染色阳性，而所有不稳定斑块与稳定斑块PAPP-A染色均为阴性。
Results PAPP-A staining was positive in 12 of 15 ruptured plaques, and negative in all unstable and stable plaques.
目的研究影响马来酸依那普利片在加速稳定性试验中有关物质含量不稳定的主要因素，并对工艺处方进行优化。
Objective to research the main factor which influence related substance content of enalapril maleate in accelerating the stability test, and optimize the craft prescription.
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