Abdulhamid, AK;    Sarker, SJ;      (2018)    Is abdominal drainage after open emergency appendectomy for complicated appendicitis beneficial or waste of money? A single centre retrospective cohort study.                   Annals of Medicine and Surgery , 36    pp. 168-172.    10.1016/j.amsu.2018.10.040 <https://doi.org/10.1016/j.amsu.2018.10.040>.       Green open access