1. W.H. Daughaday, Evidence for two corticosteroid binding systems in human plasma J. Lab. Clin. Med. 48:799 (1956)
2. C. Mercier-Bodard, A. Alfsen and E.E. Baulieu, in: “Proceedings of the Second Symposium on Steroid Hormones,” International Congress Series 101, Exerpta Medica Foundation, Amsterdam (1966)
3. R.M. Burton, G.B. Harding, W.R. Aboul-Hasn, D.T. MacLaughlin and U. Westphal, Progesterone-binding globulin from the serum of pregnant guinea pigs, a polydisperse glycoprotein Biochemistry 13:3554 (1974)
4. R.B. Heap and D.V. Illingworth, The maintenance of gestation in the guinea pig and other hystricomorph rodents: changes in the dynamics of progesterone metabolism and the occurrence progesterone-binding globulin (P.B.G.), Symp. Zool. Soc. Lond. 35:385 (1974)
5. O.H. Lea, Isolation and characterisation of a progesterone-and testosterone-binding globulin from pregnant guinea pig serum, Biochim. Biophys. Acta 317:351 (1973)