Mapstone, N P PCR identification of Helicobacter pylori in faeces from gastritis patients. [electronic resource] - Lancet (London, England) Feb 1993 - 447 p. digital Publication Type: Letter ISSN: 0140-6736 Standard No.: 10.1016/0140-6736(93)93053-4 doi Subjects--Topical Terms: DNA, Bacterial--analysisFeces--microbiologyGastritis--microbiologyHelicobacter pylori--geneticsHumansPolymerase Chain Reaction