Cahill SP, Hatchard T, Abizaid A, Holahan MR. An examination of early neural and cognitive alterations in hippocampal-spatial function of ghrelin receptor-deficient rats. Behav Brain Res. 2014 May 01;264():105–15. doi: 10.1016/j.bbr.2014.02.004. PMID: 24525421.