1. Vitamin D and bone health in the elderly;Parfitt;Am J Clin Nutr,1982
2. The role of sunlight in the cutaneous production of vitamin D3;Webb;Annu Rev Nutr,1988
3. Vitamin D requirements for the elderly;Holick;Clin Nutr,1986
4. Vitamin D and bone disease in Ireland (thesis);McKenna,1984
5. Osteomalacia and related disorders;Parfitt,1990