M, Labranche JM, Murray TM, Vieth R, Shear NH: Seasonal prevalence
M, Labranche JM, Murray TM, Vieth R, Shear NH: Seasonal prevalence of vitamin D deficiency in institutionalized older adults. J Am Geriatr Soc 1997, 45:598?03. 39. Peacock M, Liu G,…