Hughes, A. T., Fahey, Briana, Cutler, D.J., Coogan, Andrew and Piggins, Hugh D (2004) Aberrant Gating of Photic Input to the Suprachiasmatic Circadian Pacemaker of Mice Lacking the VPAC2 Receptor. Journal of Neuroscience Methods, 24 (14). pp. 3522-3526. ISSN 0165-0270