Background: Alopecia Areata (AA) is a recurrent non-scarring type of hair loss that can affect any hair-bearing area. Prognosis of AA is unpredictable and most patients experience more than one episode of hair loss. The purpose of this study was to investigate the relationship between the severity of AA with respect to age of onset, nail involvement, family history, number of recurrences and du...

introduction: intentional and unintentional poisoning are among the most common reasons for referrals to emergency department (ed). therefore, the present study was designed to evaluate epidemiologic features and effective risk factors of intentional and unintentional poisoning in children. methods: this prospective cross-sectional study was carried out in ed of loghman hakim hospital, greatest...

prematurity is the most common cause of neonatal death. risk factors of premature birth can be related with ethnicity and genetic. there is no comprehensive high sample size study in kurdish ethnicity to determine risk factors related to prematurity. this study evaluated risk factors of preterm labor in kurdish ethnicity.this case-control study was conducted in 200 preterm infants (case group) ...

background : participation of iranian women with a family history of breast cancer in breast cancer screening programs is low.this study evaluates compliance of women having a family history of breast cancer with clinical breast exam (cbe) according to stage of trans theoretical model (ttm) and health belief model (hbm).material and methods : in this cross-sectional study, we used persian versi...