1. Factors affecting the onset of puberty, post weaning oestrus and blood hormone levels of Lacombe gilts;AHERNE;Can. J. Anim. Sci.,1976
2. Oestrogen, progesterone and corticosteroid concentrations in peripheral plasma of sows during pregnancy, parturition, lactation and after weaning;ASH;J. Endocr.,1975
3. Techniques for studying changes in some peripheral blood components and steroid hormones in pregnant and lactating sows;ASH;J. Physiol. (Lond.),1972
4. Plasma oestrogen, progesterone and cortisosteroid concentrations in the pregnant, parturient and lactating sow;ASH;J. Reprod. Fert.,1973
5. Occurrence of oestrus in sows following parturition;BAKER;J. Anim. Sci.,1953