Effect of oxybutynin and imidafenacin on central muscarinic receptor occupancy and cognitive function: A monkey PET study with [11C](+)3-MPB. - Shigeyuki Yamamoto; Shuji Maruyama; Yoshihiko Ito; Masahiro Kawamata; Shingo Nishiyama; Hiroyuki Ohba; Shizuo Yamada; Hideo Tsukada (NeuroImage, 2011)