Affiliation: | (1) Universidad de Zaragoza, Miguel Servet 177, 50013 Zaragoza, Spain;(2) Department of Veterinary Pathobiology, Texas A&M University, College Station, 77843 Texas, USA;(3) Laboratoire de Genetique Biochimique et de Cytogenetique, INRA Jouy en Josas, 78352 CEDEX, France |