Abstract
Fluoride substitution of vitamin D analogs at C-26 and C-27: enhancement of activity of 25-hydroxyvitamin D but not of 1,25-dihydroxyvitamin D on bone and intestine in vitro.
P H Stern, T Mavreas, Y Tanaka, H F DeLuca, N Ikekawa and Y Kobayashi
Journal of Pharmacology and Experimental Therapeutics April 1984, 229 (1) 9-13;