Template:OesterJ 1968
Øster, J.. Further Date of the Foreskin: Incidence of Preputial Adhesions, Phimosis, and Smegma among Danish Schoolboys. Arch Dis Child. 1968; 43: 200-203. PMID. PMC. DOI. Retrieved 8 November 2019.
Øster, J.. Further Date of the Foreskin: Incidence of Preputial Adhesions, Phimosis, and Smegma among Danish Schoolboys. Arch Dis Child. 1968; 43: 200-203. PMID. PMC. DOI. Retrieved 8 November 2019.