we aimed to compare acceptability of levonorgestrel with the yuzpe regimen among iranian women based on their side-effects and resulting changes in the amount and pattern of menses.five hundred twenty nine participants aged 15-49 having regular menses and one act of unprotected intercourse within 72 h were included in the double-blind, controlled trial in 2006-2007 and randomly assigned into ln...

labor pain is one of the most tiresome types of pain. so human has been seeking to allay this pain until now. administration of a suitable agent such as entonox during labor is very beneficial for childbirth outcomes. entonox can be administered in two ways: intermittently and continuously. the aim of this study is to demonstrate whether continuous method is as safe as intermittent method? this...

Specifying behavioral specifications for components apart from the conventional syntactic interface specifications can be very useful in component based system development. Preconditions and postconditions describe one form of behavioral aspects of components. We discuss a tool and an implementation mechanism to incorporate behavioral contracts expressed in terms of preconditions and postcondit...