TY - JOUR A1 - Lupo, C. A1 - et al., T1 - Steroid hormones and reproductive history of the grey partridge Perdip perdip JF - Boll. Zool., Vol. 57 (1990), pp. 247-252. Y1 - 1990 N1 - Ex libris Marco Bacciagaluppi ER - TY - JOUR A1 - Farabollini, F. A1 - et al., T1 - Time-course of Opioid and Pituitary-Adrenal Hormone Modifications During the Immobility Reaction in Rabbits JF - Physiology and Behavior, Vol. 47 (1990), pp. 337-341. Y1 - 1990 N1 - Ex libris Marco Bacciagaluppi ER -