abstract accurate prediction of river flow is one of the most important factors in surface water recourses management especially during floods and drought periods. in fact deriving a proper method for flow forecasting is an important challenge in water resources management and engineering. although, during recent decades, some black box models based on artificial neural networks (ann), have bee...

bloody nipple discharge in infancy has rarely been reported in medical literature. we report a 7 month-old female infant with a one month history of bilateral nipple discharge. endocrinologic and hematological workups were within normal limits. breast ultrasonography showed two non-echogenic cystic areas in each breast. the problem resolved after a period of observation. this is a benign condit...

introduction foreign body insertion is a common and important cause of pre-pubertal vaginal bleeding. case presentation we present a three-year-old girl who referred to our clinic with abnormal vaginal bleeding without any other symptoms. the primary assessment revealed a radio-opaque round solid mass in the pelvic cavity. following vaginoscopy, the button battery was finally removed under gene...

conclusions the clinicians should always think of foreign bodies in the vagina in cases of chronic, antibiotic resistant vaginal discharge and lower abdominal pain especially in young girls. introduction foreign body in the vagina is a common cause of vaginal discharge, which may be either purulent or hemorrhagic. case presentation this problem may produce symptoms or be asymptomatic for long p...

the aim of this study was to evaluate the defense cells changes of cervical mucous during follicular and luteal phases of estrus cycle in river buffalo. reproductive organs of the adult and apparently healthy female buffaloes were collected from the slaughterhouse. by visual investigation of both the ovaries for presence of corpus luteum and growing follicles, the luteal and follicular phase of...