1. The Pathology of the Human Placenta;Benirschke,1967
2. Pathology of placenta accreta;Blanc;Verhandlungen der Deutschen Gesselschaft fur Pathologie,1976
3. The Human Placenta;Boyd,1970
4. The physiological response of the vessels of the placental bed to normal pregnancy;Brosens;Journal of Pathology and Bacteriology,1967
5. Control of epithelial invasion by connective tissue during embedding of the mouse ovum;Cowell,1972