title: Do sunlight and vitamin D reduce the likelihood of colon cancer?
authors.affiliation: Department of Epidemiology, The Johns Hopkins University, School of Hygiene and Public Health, 615 N Wolfe Street, Baltimore, MD 21205, USA.
authors.forename: Cedric F
authors.initials: CF
authors.lastname: Garland
authors.forename: Frank C
authors.initials: FC
authors.lastname: Garland