Navid Mohammadi
Department of Community Medicine, Qazvin University of Medical Sciences, Preventive Medicine and Public Health Research Cen-ter, Iran University of Medical Sciences, Tehran, Iran.
[ 1 ] - Appropriateness of physicians’ lumbosacral MRI requests in private and public centers in Tehran, Iran
Background: Back pain is a common patients’ complaint, and its etiology is important because of different potential treatment approaches (based on causes). For a better diagnosis, magnetic resonance imaging (MRI) is widely used in clinical settings that may result in inappropriate requests. This study aims to evaluate the appropriateness of the lumbosacral MRI requests in patients with ba...
[ 2 ] - Placental Calcification and Vitamin D Deficiency in Low-Risk Pregnant Women
Background: The placental calcification is often considered as a physiologic aging process of the placenta but it may be accompanied with the altered levels of vitamin D (vit D). The aim of this study was to evaluate association between placental calcification and vit D in low risk pregnant women. Materials and Methods: In a case-contro...