pth is the most important factor which control calcium homeostasis in the body in this study we tried to determine the normal range of pth and vitamin d with examining the relation between pth and bone density and vitamin d on the base of bones biological changes. our subjects were, 20 to 69 years-old men and women of tehran. serum volume of pth and vitamin d in different decades of life had si...

abstractbackground: premenstrual syndrome (pms) is among the most unfavorable problems in women in reproductive age; however its pathophysiology is still not fully confirmed. vitamin d as an immunomodulator could prevent inflammatory state before and during menstruation.objective: the aim was to investigate whether there is any relationship between serum vitamin d levels and pms.materials and m...