27.Nutritive Value of Foods, United States Department of Agriculture, Agricultural Research Service, Home and Garden Bulletin Number 72..Dietary Reference Intakes: Recommended Intakes for Individuals National Academy of Sciences. May be accessed at: https://www.ars.usda.gov/SP2UserFiles/Place/12354500/Data/SR25/nutrlist/sr25w301.pdf
28.Butler LM, Wong AS, Koh WP, Wang R, Yuan JM, Yu MC. Calcium intake increases risk of prostate cancer among Singapore Chinese. Cancer Res. 2010 Jun 15;70(12):4941-8. http://www.ncbi.nlm.nih.gov/pubmed/20516117
29.Ili K, Obradovi N, Vujasinovi-Stupar N.The relationship among hypertension, antihypertensive medications, and osteoporosis: a narrative review. Calcif Tissue Int. 2013 Mar;92(3):217-27. http://www.ncbi.nlm.nih.gov/pubmed/23192372