title: A study on the conversion of carotene into vitamin A by fluorescence microphotometry.
mesh_terms: D000818:Animals; D001711:Biotransformation; D002338:Carotenoids / Q000378:metabolism*; D006651:Histocytochemistry; D007413:Intestinal Mucosa / Q000378:metabolism; D008099:Liver / Q000378:metabolism; D008168:Lung / Q000378:metabolism; D008297:Male; D008856:Microscopy, Fluorescence; D051381:Rats; D013050:Spectrometry, Fluorescence; D014801:Vitamin A / Q000378:metabolism*
chemical_list: D014801:Vitamin A; D002338:Carotenoids