Source:http://linkedlifedata.com/resource/umls/id/C0597669
GO: The chemical reactions and pathways resulting in the formation of a vitamin, one of a number of unrelated organic substances that occur in many foods in small amounts and that are necessary in trace amounts for the normal metabolic functioning of the body. [GOC:go_curators, ISBN:0198506732],CSP: synthesis of vitamin(s) by living organisms.