Source: https://www.researchgate.net/profile/Papa-Ba-2/publication/279197274_Les_abdomens_aigus_chirurgicaux_en_milieu_africain_etude_d'une_serie_de_88_cas_a_l'hopital_Saint_Jean_de_Dieu_de_Thies_Senegal_Surgical_acute_abdominal_emergencies_in_an_African_area_study_of_88_cases/links/558e9fd108aed6ec4bf4ec0f/Les-abdomens-aigus-chirurgicaux-en-milieu-africain-etude-dune-serie-de-88-cas-a-lhopital-Saint-Jean-de-Dieu-de-Thies-Senegal-Surgical-acute-abdominal-emergencies-in-an-African-area-study-of-88-cases-a.pdf