Original Article
Body mass index and ampulla of Vater cancer incidence and survival: a cohort study of 1.7 million Norwegians
Dagfinn Aune, Marie Nordsletten, Tor Åge Myklebust, Trude Eid Robsahm, Bjørn Steen Skålhegg, Tom Mala, Sheraz Yaqub, Usman Saeed