Histopathologic subtyping of cervical adenocarcinoma reveals increasing incidence rates of endometrioid tumors in all age groups: a population based study with review of all nonsquamous cervical carcinomas in Norway from 1966 to 1970, 1976 to 1980, and 1986 to 1990 - Alfsen, G C; Thoresen, S O; Kristensen, G B; Skovlund, E; Abeler, V M (Cancer, 2000)