Scientific Opinion on safety and efficacy of zinc compounds (E6) as feed additives for all animal species: Zinc sulphate monohydrate, based on a dossier submitted by Helm AG
EFSA Journal 2012;10(2):2572 [22 pp.].
09 February 2012
http://www.efsa.europa.eu/en/efsajournal/pub/2572.htm