@article {winnik1968reduction,
	title = {Reduction and Alkylation of the Receptor for Acetylcholine},
	journal = {Proc. Nat. Acad. Sci.},
	volume = {60},
	year = {1968},
	pages = {668{\textendash}671},
	author = {A. Karlin* and M. A. Winnik}
}
