References
- Klopper A., Chard T. Placental Proteins. Springer Verlag, Berlin 1979
- Bischof P. Proteins of the placenta. Cont. Gynecol. Obstet. 1984; 12: 1–92
- Bersinger N. A., Gerrie L. M., Luke G., Klopper A. Serum concentration of pregnancy-specific and pregnancy-associated proteins in early gestation. Arch. Gynecol. 1986; 237: 221–8
- Chard T., Klopper A. Placental Function Tests. Springer Verlag, Berlin 1982
- Klopper A. Specific pregnancy proteins. Current Topics in Experimental Endocrinology, L. Martini, V. James. Academic Press, New York 1983; Vol. 4: 127–65
- Schultz-Larsen P., Hertz J. B. The predictive value of pregnancy-specific β1-glycoprotein (SP1) in threatened abortion. Eur. J. Obstet. Gynecol. Reprod. Biol. 1978; 8: 253–7
- Westergaard J. G., Sinosisch M. J., Bugge M., Madsen L. T., Teisner B., Grudzinskas J. G. Pregnancy-associated plasma protein A in the prediction of early pregnancy failure. Am. J. Obstet. Gynecol. 1983; 145: 67–9
- Von Schoultz B., Stigbrand T. Pregnancy zone protein: chemistry, biology and clinical studies. Pregnancy Proteins, J. G. Grudzinskas, B. Teisner, M. Seppala. Academic Press, Sydney 1982; 167–75
- Bersinger N. A. Two-site enzyme immunoassay for pregnancy-associated plasma protein A (PAPP-A). Clin. Chim. Acta. 1983; 134: 297–306
- Avrameas S., Ternynck T. The crosslinking of proteins with glutaraldehyde and its use for the preparation of immunoadsorbents. Immunochem. 1969; 6: 53–66
- Jouppila P., Seppälä M., Chard T. Pregnancy-specific β1-glycoprotein in complications of early pregnancy. Lancet 1980; 1: 667–8
- Westergaard J. G., Teisner B., Sinosich M. J., Madsen L. T., Grudzinskas J. G. Does ultrasound examination render biochemical tests obsolete in the prediction of early pregnancy failure?. Br. J. Obstet. Gynaecol. 1985; 92: 77–83