INTRODUCTION Pregnancy and birth giving are two of the most important and common effective factors influencing female sexual function. Sexual dysfunction can affect women's quality of life and marriage. This research tried to determine the relation between labor type and long term sexual function in primipara women of Sabzevar, Iran. METHODS This cross-sectional study took place in Sabzevar h...

BACKGROUND Although the natural history of multiple sclerosis has been charted extensively, it is still not known whether the trajectory of disability accumulation has changed in the era of disease-modifying therapies (DMTs). OBJECTIVE The objective of this study was to examine trends in Multiple Sclerosis Severity Score (MSSS) with regard to calendar year of enrollment into the New York Stat...

BACKGROUND Although previous meta-analyses have suggested an association between aspirin use and risk of gastric cancer, current evidence is inconsistent. Additionally, it remains unclear whether there are frequency-risk and duration-risk relationships and if a threshold of effect exists. METHODS We identified studies by searching MEDLINE and PUBMED databases and reviewing relevant articles. ...

the aim of this study is to assess some synoptic characteristics of heavy precipitations in southwestern parts of iran and evaluate the relationship between them with the madden-julian oscillation (mjo). research is conducted with regard to distribution of precipitation per month and identifying their steam sources. daily records of the november-april precipitation data in abadan, ahwaz, bandar...


 Snow cover significantly affects the formation of climate in winter. The snow over has low thermal conductivity, which protects soil from freezing. In spring, moistens and plays an important role surface water regime economic activity country. It should be noted that lack or insufficient height can cause freezing winter crops their death, leads to a decrease even loss yield. Accordingly,...

As an extended period of unusually dry weather conditions without sufficient rain, drought poses enormous risk on societies. Characterized by the absence precipitation for long periods time, often resulting in water scarcity, droughts are increasingly posing significant environmental challenges. Drought is therefore considered important element management resources, especially groundwater resou...

global warming caused by human activity and climate change is one of the issues attracted that has attention of many climate scientists. the relationship between climate parameters should be used in climate change studies to understand the complex nature of the environment and predict changes in the future. the reliable tool to investigate climate change effects on different systems is using th...

BACKGROUND Repeat concussion is an important issue in the National Football League (NFL). An initial description of repeat injuries was published for 6 years (1996-2001). HYPOTHESIS The characteristics and frequency of repeat concussion in the NFL have not changed in the subsequent 6 years (2002-2007). STUDY DESIGN Case control. METHODS From 1996 to 2007, concussions were reported using a...

OBJECTIVE To evaluate the validity of using the standardized mortality ratio (SMR) and the W statistic as risk-adjusted measures of hospital mortality to judge ICU performance. DESIGN APACHE (acute physiology and chronic health evaluation) II data were collected prospectively from the surgical ICU (SICU) at a single institution using all adult admissions (n = 6806) over an 8-year period (excl...