References
- Bradlow H. L. Steroids 1968; 11: 265
- Crowley M. F., Rosser A. Clin Chim Acta 1973; 49: 115
- Frandsen V. A. The Excretion of Oestriol in Normal Human Pregnancy. Munksgaard, Copenhagen 1963
- Kambegawa A. Horumon To Rinsho 1971; 19: 355
- Osawa Y., Slaunwhite R. W. Steroids 1970; 15: 73
- Sele V., Frandsen V. A. Acta Obstet Gynaecol Scand 1967; 46(Suppl. 9)43
- Touchstone J. C., Stojkewycz M., Smith K. Clin Chem 1965; 11: 1019