1. The mechanism of initiation of parturition in the ewe;Liggins;Recent Prog. Horm. Res.,1973
2. Parturition in the sheep;Liggins,1977
3. Foetal plasma corticosteroids and the initiation of parturition in the sheep;Bassett;J. Endocr.,1969
4. Cortisol turnover in the sheep foetus immediately prior to parturition;Comline;J. Physiol.,1970
5. Adrenocorticotrophin and corticosteroid changes during dexamethasone infusion to intact and synacthen infusion to hypophyscctomized foetuses;Jones;Acta endocr., Copenh.,1978