Penile density and globally used chemicals in Canadian and Greenland polar bears
Environmental Research (2015) - Comment
pubmed: 25601730  doi: 10.1016/j.envres.2014.12.026  issn: 1096-0953  issn: 0013-9351 

Christian Sonne, Markus Dyck, Frank F. Rigét, Jens-Erik Beck Jensen, Lars Hyldstrup, Robert J. Letcher, Kim Gustavson, M. Thomas P. Gilbert, Rune Dietz