About Gerry Downey Books by Gerry Downey Analyses for Hormonal Substances in Food Producing Animals contributions by Len Levy, Matthew Sharman, James Scarth, Ed Houghton, Christine Akre, James D. MacNeil, Bruno Le Bizec, Leen van Ginkel, Phil Teale & Emmanuelle Bichon edited by Jack F. Kay series edited by Peter S. Belton & Gerry Downey