Ankouane Andoulo, F., Ngatcha, G., Tagni-Sartre, M., Biwolé Sida, M. and Ndjitoyap Ndam, E. 2015. Helicobacter Pylori Infection and Peptic Ulcer Disease in Children and Adolescents from the Age Range of 6 to 18 Years Old in Yaounde (Cameroon). HEALTH SCIENCES AND DISEASE. 16, 4 (Dec. 2015). DOI:https://doi.org/10.5281/hsd.v16i4.589.