title: Risk of gastric cancer and peptic ulcers in relation to ABO blood type: a cohort study.
authors.affiliation: Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Box 281, SE-171 77 Stockholm, Sweden. gustaf.edgren@ki.se
authors.forename: Gustaf
authors.initials: G
authors.lastname: Edgren
authors.forename: Henrik
authors.initials: H
authors.lastname: Hjalgrim
authors.forename: Klaus
authors.initials: K
authors.lastname: Rostgaard
authors.forename: Rut
authors.initials: R
authors.lastname: Norda
authors.forename: Agneta
authors.initials: A
authors.lastname: Wikman
authors.forename: Mads
authors.initials: M
authors.lastname: Melbye
authors.forename: Olof
authors.initials: O
authors.lastname: Nyrén