Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) William Regenold and Dalia Araujo and Rémi Quirion,Direct visualization of brain M2 muscarinic receptors using the selective antagonist [3H]AF-DX116,European Journal of Pharmacology,0014-2999,Elsevier BV,1987-12,144,3,417-419,https://cir.nii.ac.jp/crid/1363951793708878080,https://doi.org/10.1016/0014-2999(87)90400-6