This paper proposes two dominance criteria for evaluating education systems described as joint distributions of the pupils’ cognitive skill achievements and family backgrounds. The first criterion is smallest transitive ranking compatible with three elementary principles. principle requires favorable recording any improvement in a child given background . second demands that child’s be all more...

hysteroscopy is a new and precise method for evaluating of uterus, so it is valuable in evaluating infertile women. in 18 months, 363 hysteroscopies were done on patients who were visited in ivf center of shariati hospital for treatment of infertility. incidence of abnormal hysteroscopy was 18%. 32% of these abnormal hysteroscopies was endometrial hyperplasia. in evaluating of laparoscopy and o...