abstract background: we aimed to evaluate an approach to induced abortions during early pregnancies that controls the suction pressure and restricts the duration of the procedure. methods: three hundred patients programmed for induced early pregnancy abortions, hospitalized in the shandong provincial maternity & child care hospital from october 2013 to october 2015, were enrolled. patients were...

This paper re-evaluates the security of a chaotic image encryption algorithm called 13 MCKBA/HCKBA and finds that it can be broken efficiently with two known plain-images and 14 the corresponding cipher-images. In addition, it is reported that a previously proposed breaking 15 on MCKBA/HCKBA can be further improved by reducing the number of chosen plain-images 16 to two from four. The two attac...

background : education is based upon the knowledge, skills, and attitudes that are required for an occupation, and the changes occurring in the occupations and duties as well as in the ideals and values necessitate constant needs analysis. furthermore, owing to the transformations in sciences, especially medical sciences, the current syllabus for the operation room courses at associate level wi...