DNA限制性图谱绘制常用方法有部分消化法（PDP）和简化的部分消化方法（SPDP）。
The partial digest (PDP) and the simple partial digest (SPDP) methods are the popular methods of DNA restriction mapping reform.
第二部分采用全收粪收尿的方法研究连续添加不同剂量半胱胺对营养物质消化代谢的影响。
Part two: Effects of supplementating different levels of cysteamine on nutrient digestion and metabolism were investigated by total feces and urine collection method.
结论永久性部分覆膜镍钛合金内支架置入术是消化道恶性梗阻和食管-支气管瘘的有效治疗方法，操作简便，安全性高。
Conclusion it is an effective, easy and safe method to treat malignant obstruction of digestive tract or esophago-bronchial fistula using partially covered nickel-titanium alloy stent.
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