Sarah E. McCallum

Nicotine self-administration in rats on a progressive ratio schedule of reinforcement

M. M. Mielke, M. Mielke, S. McCallum, 1999, Psychopharmacology.

Nicotine self-administration in rats: estrous cycle effects, sex differences and nicotinic receptor binding

M. M. Mielke, M. Mielke, S. McCallum, 2000, Psychopharmacology.