Guanidine-based α2-adrenoceptor ligands: Towards selective antagonist activity Authors: O'Donovan DH, Muguruza C, Callado LF, Rozas I. Year: 2014 Journal: European Journal of Medicinal Chemistry Volume: 82 Initial page - Ending page: 242 - 254 More information http://www.ncbi.nlm.nih.gov/pubmed/?term=24908653