Malabu, Usman H., Kilpatrick, Anne, Ware, Mark, Vernon, Richard G., and Williams, Gareth (1994) Increased neuropeptide Y concentrations in specific hypothalamic regions of lactating rats: possible relationship ot hyperphagia and adaptive changes in energy balance. Peptides, 15 (1). pp. 83-97.

Dryden, Simon, McCarthy, H. David, Malabu, Usman H., Ware, Mark, and Williams, Gareth (1993) Increased neuropeptide Y concentrations in specific hypothalamic nuclei of the rat following treatment with methysergide: evidence that NPY may mediate serotonin's effects on food intake. Peptides, 14 (4). pp. 791-796.