Closed and open symbols depict ewes with high or low LH pulsatile activity, respectively

Copyright information: Taken from "Changes in the 5-HT2receptor system in the pre-mammillary hypothalamus of the ewe are related to regulation of LH pulsatile secretion by an endogenous circannual rhythm"BMC Neuroscience 2003;4():1-1.Published online 28 Jan 2003http://www.ncbi.nlm.nih.gov/pmc/articles/PMC149365/Copyright © 2003 Chemineau et al; licensee BioMed Central Ltd. This is an Open Access article: verbatim copying and redistribution of this article are permitted in all media for any purpose, provided this notice is preserved along with the article's original URL.