1. Healthy ingredients in malt, hops and beer;Batchvarov;Khranitelnovkusova Promishlenost,2001
2. Canadian Council of Animal Care. Guide to the Care and Use of Experimental Animals;CCAC,1993
3. Jop (Humulus lupulus)-derived bitter acids as multipotent bioactive compounds;Cleemput;J. Nat. Prod.,2009
4. Evaluation of hops (Humulus iupulus) as an antimicrobial in broiler diets;Cornelison;Int. J. Poult. Sci.,2006
5. Effects of beta-acid extracts of hops on ruminal metabolism and apparent total tract digestibility by steers fed high concentrate diets;Drouillard,2009