article 2011 Mechanisms responsible for progesterone's protection against lordosis-inhibiting effects of restraint ·doi:10.1016/j.yhbeh.2011.05.006
article 2011 Mechanisms responsible for progesterone's protection against lordosis-inhibiting effects of restraint II. Role of progesterone metabolites ·doi:10.1016/j.yhbeh.2011.05.005