BACKGROUND Preterm birth is a leading cause of perinatal mortality and long-term morbidity as well as the long-term health consequences and cognitive outcomes. OBJECTIVE Present study was conducted to determine prevalence and risk factors associated with preterm birth in Ardabil, Iran. MATERIALS AND METHODS A case control study was conducted between Nov 2010 and July 2011 in all three mater...

background: evidence shows that the mortality rate of esophageal cancer (ec) in ardabil province is among the highest worldwide. studies on the epidemiological profile of ec in ardabil are scarce. we aim to study the characteristics of ec in ardabil using data from the recently established ardabil cancer registry (acr). materials and methods: this study has been accomplished based on data colle...

The Colorado potato beetle, Leptinotarsa decemlineata (Say) (Coleoptera: Chrysomelidae), is an important pest of potato, Solanum tuberosum L. (Solanales: Solanaceae), crops in the Ardabil region of Iran. In this research, the life-history parameters of L. decemlineata were investigated on seven potato cultivars, namely Agria, Aozonia, Diamant, Cosmus, Kondor, Morene, and Savalan, in a greenhous...

aim and background: there are no questionnaires to assess the psychosomatic complaints of university students in iran. the purpose of this study was to analyze the psychometric properties of takata and sakata's psychosomatic complaints scale among iranian university students. methods and materials: in this study, multistage cluster sampling was used to select 291 individuals from all male and f...

For estimation of monthly precipitation, considering the intricacy and lack of accurate knowledge about the physical relationships, black box models usually are used because they produce more accurate values. In this article, a hybrid black box model, namely ANN-RBF, is proposed to estimate spatiotemporal value of monthly precipitation. In the first step a Multi Layer Perceptron (MLP) network i...