background: osteoporosis is a chronic disease that contributes substantially to decrease physical activity and decline in the quality of life. osteoporosis can be diagnosed easily with the use of dual-energy x-ray absorptiometry (dxa) equipment. the aim of this study was to investigate the magnitude of bone loss on proximal femur and lumbar spine ls in pre- and post-menopausal women from isfaha...

it is well known fact that binary relations are generalized mathematical functions. contrary to functions from domain to range, binary relations may assign to each element of domain two or more elements of range. some basic operations on functions such as the inverse and composition are applicable to binary relations as well. depending on the domain or range or both are fuzzy value fuzzy set, i...

background: more than 80% of patients with hematologic  malignancies will develop fever during more than one chemotherapy cycle combined with neutropenia. we aim to evaluate empiric antibiotic strategies in febrile neutropenic (fn) cancer patients. methods: this is a concurrent study performed in the “shahid ghazi” teaching hospital, hematology-oncology center of tabriz, iran during the period ...

background: bone mineral density (bmd) changes during the course of rheumatoid arthritis (ra). the present study was designed to investigate the status of bmd in patients with ra treated with anti-rheumatic drugs. methods: bmd at the femoral neck (fn-bmd) and lumbar spine (ls-bmd) were measured by dual energy x-ray absorptiometry (dxa) method using norland densitometer. disease activity (da) wa...