Howell, O., Sur, C., Fresu, L., McKernan, R. M., & Atack, J. R. (1999). Autoradiographic localization of α5 subunit-containing GABAA receptors in rat brain. Brain Research, 822(1-2), pp. 265-270. doi:10.1016/S0006-8993(99)01152-X

Howell, Owain, Cyrille Sur, Luigia Fresu, Ruth M. McKernan, and John R. Atack. "Autoradiographic Localization of α5 Subunit-containing GABAA Receptors in Rat Brain." Brain Research 822, no. 1-2 (1999): 265-270.

Howell, Owain, et al. "Autoradiographic Localization of α5 Subunit-containing GABAA Receptors in Rat Brain." Brain Research 822.1-2 (1999): 265-270.