1. Recommended dietary allowances;National Research Council, Food Nutrition Board,1968
2. Prevalence of osteoporosis in high- and low-fluoride areas in North Dakota;Bernstein;JAMA,1966
3. The effects of sodium fluoride on calcium metabolism of subjects with metabolic bone diseases;Rich;J Clin Invest,1964
4. A study of the treatment of osteoporosis with fluoride therapy and high calcium intake;Rose;Proc R Soc Med,1965
5. Effect of fluoride on human osteoporotic bone mineral. A chemical and crystallographic study;Grøn;J Bone Joint Surg [Am],1966