title: Do those with positive faecal occult blood tests need upper gastrointestinal investigations if no colorectal cancer cause is found?
authors.affiliation: Department of Surgery, E Floor, West Block, University Hospital, Queen's Medical Centre, Clifton Boulevard, Nottingham NG7 2UH, UK. Mike.Robinson@mail.qmcuh-tr.trent.nhs.uk
authors.forename: M H
authors.initials: MH
authors.lastname: Robinson