[Formation of precalciferol during UV radiation of rats].
D000818:Animals; D008297:Male; D011830:Radiation Effects; D051381:Rats; D011919:Rats, Inbred Strains; D012867:Skin / Q000528:radiation effects*; D014466:Ultraviolet Rays; D014807:Vitamin D / Q000096:biosynthesis*
D014807:Vitamin D
Obrazovanie prekal'tsiferola pri obluchenii krys UF svetom.