The association of women's birth size with risk of molecular breast cancer subtypes: a cohort study. - Sandvei, Marie S.; Opdahl, Signe; Valla, Marit; Lagiou, Pagona; Vesterfjell, Ellen Veronika; Rise, Tor Vikan; Overrein, Tina Syvertsen; Skjervold, Anette H.; Engstrøm, Monica J.; Bofin, Anna M.; Vatten, Lars J. (BMC Cancer, 2021)