Age-dependent loss of cholinergic neurons in learning and memory-related brain regions and impaired learning in SAMP8 mice with trigeminal nerve damage
Yifan He, Jihong Zhu, Fang Huang, Liu Qin, Wenguo Fan, Hongwen He
Neural Regeneration Research . 2014, (22): 1985 -1994 .  DOI: 10.4103/1673-5374.145380