Negishi, M [An efficient method for quantification of Helicobacter pylori in biopsy specimen using PCR]. [electronic resource] - Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology Feb 1993 - 97-104 p. digital Publication Type: Journal Article ISSN: 0446-6586 Subjects--Topical Terms: AdultAgedBiopsyDNA, Bacterial--analysisDuodenal Ulcer--microbiologyFemaleHelicobacter pylori--isolation & purificationHumansMaleMiddle AgedPolymerase Chain ReactionStomach--microbiologyStomach Ulcer--microbiology