@article {37597,
	title = {Postembryonic expression of the serotonin phenotype in Helisoma trivolvis : comparison between laboratory-reared and wild-type strains},
	volume = {68},
	year = {1990},
	pages = {1382-1389},
	publisher = {Canadian Journal of Zoology},
	author = {Diefenbach, Thomas J. and Goldberg, Jeffrey I.}
}
