cancer of the mouth / intestinal cancer Cancer / joint cancers / Leukaemia / ovary cancer Cancer / breast cancer Cancer / Cancer / cancer of the liver / Outcome Group Cancer / fluoridated water Water fluoride content Bone cancer / kidney cancer Cancer / pharyngeal cancer / lung cancer Cancer / oesophagus cancer Cancer / Osteosarcoma / malignant neoplasms / Indirect Standard population Cancer / cancer of the nose / stomach cancers Cancer / /