Ikarashi Y, Fujimori K, Ohtake K, Shiobara T, Maruyama Y (1994) Changes in the cholinergic neurochemical parameters in regional brain areas of Wistar rats aged 3 (weanling), 10 (mature) and 119 (old age) weeks Laboratory Animal Science44: 393-6
Ikarashi Y, Fujimori K, Ohtake K, Shiobara T, Maruyama Y (1994) Laboratory Animal Science44: 393-6