Spirichev V. To the Substantiation of the Joint Use of Vitamin D and the Rest of the 12 Vitamins Necessary for the Creation and Realization of the Vital Functions of its Hormone-Active Form (The Vitamin D + 12 Vitamins Approach). J. Nutr. Ther. [Internet]. 2013 Mar. 31 [cited 2024 Nov. 24];2(1):1-7. Available from: https://mail.lifescienceglobal.com/pms/index.php/jnt/article/view/1027