Ca nutritional requirements and bone Ca turnover can be assessed using numerous techniques. Among these techniques are bone mass measurements, tracer kinetic studies, bone histomorphometry and biochemical studies. Stable-isotope-based kinetic studies offer unique advantages in their ability to assess both Ca absorption and turnover. This approach is safe and readily applicable to subjects of al...

we report the case of a 54-year-old iranian man who presented with melena from three months prior to admission. esophagogastroduodenoscopy and colonoscopy were normal. double balloon enteroscopy showed a pedunculated tumor located in the jejunum. he underwent laparotomy and resection of a 9.5 cm tumor from the distal jejunum. histopathologic evaluation confirmed the diagnosis of an inflammatory...

the prevalence of various intestinal helminthiasis have been determined by the examination of 8109 inhabitants of 20 villages located in the mountainous and coastal regions of the bandar abbas and minab areas in southern iran. a portion of people infected with each parasite were treated with the appropriate drug i and the worms expelled were collected, identified and counted. the results indica...