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Semiquantitative reverse transcription-polymerase chain reaction analysis of human β-defensin 1 (hBD1) (A) and human β-defensin 2 (hBD2) (B) mRNA expression in control (n=12) and Helicobacter pylori positive (HP+ve) gastritis (n=10) biopsy tissue. The bar represents the median. GAPDH, glyceraldehyde-3-phosphate dehydrogenase.
