Perioperative outcomes of the surgical management of achalasia in two tertiary Cameroonian hospitals: a cohort study. - Kamla, Joël Igor; Bang, Guy Aristide; Tochie, Joel Noutakdie; Bwelle, George Motto; Oumarou, Blondel Nana; Nonga, Bernadette Ngo (BMC Gastroenterology, 2024)