Ashby, Regan, McCarthy, C. Siobhan, Maleszka, Ryszard, Megaw, Pam, and Morgan, Ian G. (2007) A muscarinic cholinergic antagonist and a dopamine agonist rapidly increase ZENK mRNA expression in the form-deprived chicken retina. Experimental Eye Research, 85. pp. 15-22.

McCarthy, C.S., Megaw, P., Devadas, M., and Morgan, I.G. (2007) Doperminergic agents affect the ability of brief periods of normal vision to prevent form-deprivation myopia. Experimental Eye Research, 84 (1). pp. 100-107.