a bstract  background: pregnancy may be accompanied by serious physiological and psychological changes as it is a stressful period in a woman’s life. so, this study was conducted to determine the effect of progressive muscle relaxation on pregnant women’s general health.   materials and methods: in this clinical trial, 60 primigravida women admitted to the prenatal clinic of selected hospitals ...

This study deals with point and interval estimations for the scale shape parameters of component lifetime distribution a k-component series system when lifetimes are assumed to be independently identically Erlang-truncated exponential distributions. It is that components exposed progressive Type-II censoring scheme. Each failure in this plan random subject binomial distribution. Parameter obtai...