Provitamin (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Provitamin" in German language version.

Last modified: 23:30:00, 23 June 2025 (UTC)

Ref.Un. Ref.Website

Global rank German rank

11zdb-katalog.de

107^th place

5^th place

5^th place

7^th place

11cambridge.org

209^th place

455^th place

cambridge.org (Global: 209^th place; German: 455^th place)

journals.cambridge.org

James G. Morris: Idiosyncratic nutrient requirements of cats appear to be diet-induced evolutionary adaptations. In: Nutrition Research Reviews 15, 2002, S. 153–168.

nih.gov (Global: 5^th place; German: 7^th place)

ncbi.nlm.nih.gov

J. A. Olson: Provitamin A function of carotenoids: the conversion of beta-carotene into vitamin A. In: The Journal of nutrition. Band 119, Nummer 1, Januar 1989, S. 105–108, ISSN 0022-3166, PMID 2643691.

zdb-katalog.de (Global: 107^th place; German: 5^th place)

J. A. Olson: Provitamin A function of carotenoids: the conversion of beta-carotene into vitamin A. In: The Journal of nutrition. Band 119, Nummer 1, Januar 1989, S. 105–108, ISSN 0022-3166, PMID 2643691.