biologicalfactors相关论文
目的 观察一种新型医用灭菌皱纹包装纸的透过性能,为无菌包装应用提供依据.方法 采用理化和生物方法,测定该包装纸相关因子透过性......
BACKGROUND: The factors of affecting health of familypatients include not only traditional biological factors but alsops......