1. Investigations on the vascular system of the placenta;Arts;Am. J. Obstet. Gynecol,1961
2. Human placental circulation;Barnes;Am. J. Obstet. Gynecol,1973
3. Zur Endangitis obliterans der Plazentagefasse;Bender;Arch. Gynaekol,1976
4. Placental changes in relation to the degree of metabolic control in diabetes mellitus;Björk;Placenta
5. Villous structure in different parts of the cotyledon in placentas of insulin-dependent diabetic women. A morphometric study. Submitted for publication in Acta Obstet;Björk;Gynecol. Scand,1982