Verlag Mensch & BuchIsabelle Ruhnke × Studies on the Impact of Acidified Feed and Feed Processing on Digestive Physiology in Broiler Chickens and Laying Hens Isabelle RuhnkeMensch & BuchBuch2014 Assessment of an adapter modified Ussing chamber for evaluation of endoscopically obtained duodenal and colonic biopsy s Isabelle RuhnkeMensch & BuchSoftcover2011