| 摘要 |
The present invention relates to a diagnostic method for the determination of Helicobacter pylori in a tissue biopsy comprising the step of incubating a tissue biopsy with an aqueous diagnostic reagent comprising urea and a pH indicator, and determining any pH change, characterised in that said diagnostic reagent comprises a lactone, and that the ratio between the volume of the reagent and the volume of the sample is variable and less than 30. |
