@misc{indiciae371af53b7396, title = {Section I. The cholinergic system.}, author = {John Smythies}, year = {2005}, doi = {10.1016/s0074-7742(05)64001-9}, url = {https://pubmed.ncbi.nlm.nih.gov/16096020/}, note = {Source identifier: 16096020} }