JR 1 views today 1 views this weekBritish epidemiologistJohn RyleBiographyGalleryBibliographyListsAlso ViewedThe worksBooksGastric function in health and diseaseAuthors: John RyleFears may be liarsAuthors: John RyleChanging disciplinesAuthors: John RyleThe natural history of diseaseAuthors: John RyleThe aims and methods of medical scienceAuthors: John Ryle