Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Vignir Isberg and Bas Vroling and Rob van der Kant and Kang Li and Gert Vriend and David Gloriam,GPCRDB: an information system for G protein-coupled receptors,Nucleic Acids Research,0305-1048,Oxford University Press (OUP),2013-12-03,42,D1,D422-D425,https://cir.nii.ac.jp/crid/1363670319077546880,https://doi.org/10.1093/nar/gkt1255