TY - BOOK AU - Sharma Sanjay Kumar AU - Dr Richa Dewan Supervisor AU - University of Delhi. Faculty of Medical Sciences. Department of Medicine ED - University of Delhi. Faculty of Medical Sciences. Department of Medicine TI - Prevalence of helicobacter pylori infection in the family members of H. pylori positive duodenal ulcer patients using a mini dose 14C urea breath test PY - 1999/// KW - MEDICINE ER -