1. Neutral steroids in urine during pregnancy;Jänne;Eur. J. Biochem.,1970
2. Determination of neutral steroid sulphates in pregnancy urine;Jänne,1970
3. Excretion of steroid hormones in adults;Eriksson;Eur. J. Biochem.,1970
4. 15α-Hydroxyestriol from pregnancy urine and from the urine of newborn infants;Zucconi;Acta endocr., Copenh.,1967
5. Isolation and identification of 15α-hydroxyestrone from the urine of pregnant women;Knuppen;Biochem. J.,1965