Ankouane Andoulo, F. et al. 2016. The prevalence of Helicobacter Pylori infection and peptic ulcer disease in HIV-positive patients with gastrointestinal symptoms is not related to absolute CD4 counts: a case-control study. HEALTH SCIENCES AND DISEASE. 17, 1 (févr. 2016). DOI:https://doi.org/10.5281/hsd.v17i1.614.