article 1965 Observations on Metaplastic Changes in the Germinal Epithelium of the Ovary and on the Ætiology of Ovarian Endometriosis Acta obstetricia et gynecologica Scandinavica ·doi:10.3109/00016346509153982
article 1941 Ein Beitrag zur Frage von der Pathogenese der Endometriosis externa ·doi:10.3109/00016344109153482