1. Gestagens in human pregnancy;Zander,1959
2. Foetal and maternal plasma levels of steroid sulphates in human pregnancy at term;Laatikainen;Acta Endocr, Copenh.,1975
3. Relationship between progesterone production in the human placenta and the foetus;Zander,1961
4. Die Hormon bildung der Placenta und ihre Bedeutung für die Frucht;Zander;Arch. Gynäk.,1962
5. Steroid metabolism in the foeto-placental unit;Diczfalusy,1969