David A Freeman

Reduced leptin concentrations are permissive for display of torpor in Siberian hamsters.

A. Kauffman, J. Dark, John Dark, 2004, American journal of physiology. Regulatory, integrative and comparative physiology.

Periodic arousal from hibernation is necessary for initiation of immune responses in ground squirrels.

I. Zucker, R. Nelson, B. Prendergast, 2002, American journal of physiology. Regulatory, integrative and comparative physiology.