Scientific Opinion on the substantiation of a health claim related to vitamin C and increasing non haem iron absorption pursuant to Article 14 of Regulation (EC) No 1924/2006
EFSA Journal 2014;12(1):3514 [9 pp.].
10 January 2014
http://www.efsa.europa.eu/en/efsajournal/pub/3514.htm
因果関係は確立されている。