1. Neue Untersuchungsmöglichkeiten des kindes unter der Geburt (Einführung und Grundlagen);Saling;Geburtshilfe. Frauenheilkd,1961
2. Development of a special electrode for continuous subcutaneous pH measurements in the infant scalp;Stamm;Am. J. Obstet. Gynecol,1976
3. The validity of fetal capillary blood samples during labor;Teramo;Gynaecologia,1969
4. Reliability of fetal blood samplings;Bowe;Am. J. Obstet. Gynecol,1970
5. The reliability of pH values in fetal blood samples: A study of the second stage;Boenish;J. Perinat. Med,1976