id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-72460	Saastamoinen, Markku; Juusela, Johanna	Influence of dietary supplementation on serum vitamin A and D concentrations and their seasonal variation in horses	1992	6	.pdf	application/pdf	3234	202	65	Vitamin D 3 is synthetized in the skin (Webb and Holick 1988). The synthesis of vitamin D 3 in the skin depends on season of the year, geographical latitude and intensity of sunlight (Nutrition Reviews 1989).	cache/afs-72460.pdf	txt/afs-72460.txt