TY - GEN AU - Khosravi-Boroujeni,Hossein AU - Sarrafzadegan,Nizal AU - Sadeghi,Masoumeh AU - Roohafza,Hamidreza AU - Ng,Shu-Kay AU - Pourmogaddas,Ali AU - Ahmed,Faruk TI - Prevalence and Trends of Vitamin D Deficiency among Iranian Adults: A Longitudinal Study from 2001-2013 SN - 1881-7742 PY - 2018///0725 KW - 25-Hydroxyvitamin D 2 KW - blood KW - Adult KW - Aged KW - Aged, 80 and over KW - Asymptomatic Diseases KW - epidemiology KW - Calcifediol KW - Cohort Studies KW - Diet KW - adverse effects KW - Female KW - Health Transition KW - Humans KW - Iran KW - Longitudinal Studies KW - Male KW - Middle Aged KW - Nutrition Surveys KW - Nutritional Status KW - ethnology KW - Prevalence KW - Risk Factors KW - Vitamin D Deficiency N1 - Publication Type: Journal Article UR - https://doi.org/10.3177/jnsv.63.284 ER -