Signature of Balancing Selection at the MC1R Gene in Kunming Dog Populations Wang, Guo-dong ; Cheng, Lu-guang ; Fan, Ruo-xi ; Irwin, David M. ; Tang, Shu-sheng ; Peng, Jian-guo ; Zhang, Ya-ping Abstract Publication: PLoS ONE Pub Date: February 2013 DOI: 10.1371/journal.pone.0055469 Bibcode: 2013PLoSO...855469W