Identification and reciprocal introgression of a QTL affecting body mass in mice Julian K. Christians, Kellie A. Rance, Sara A. Knott, Pat M. Pignatelli, Fiona Oliver and Lutz BüngerGenet. Sel. Evol., 36 5 (2004) 577-591DOI: https://doi.org/10.1051/gse:2004018