abdominal cystic lymphangioma is a rare benign neoplasm. less than 1% of lymphangiomas is in the retroperitoneum. lymphangioma is mostly asymptomatic. chronic symptoms were reported in retroperitoneal type more than others. acute symptoms due to complications like infection, cyst rupture or hemorrhage may occur. we report an 18-years-old girl with low back pain from 6 months ago with huge pelvi...

background low back pain (lbp) is the most common and multifactor problem among the commercial drivers and the individual, social, psychological and occupational factors have important role in intensifying this pain. in various studies, the role of spiritual factor was investigated less compared to other factors. objectives the aim of this study was to investigate the effect of religious belief...

the phenomenon of how tests influence teaching and learning is commonly described as “wash back”in language instruction. literature indicates that wash back effect is a complex concept that becomeseven more complicated under different interpretations of the wash back phenomenon in teaching andlearning. in the present study, some definitions of wash back and its two major types were introduced,a...