João Marques

Effects of hospital facilities on patient outcomes after cancer surgery: an international, prospective, observational study

Ramadan M. Hamed, Tsz Lun Ernest Wong, Amr H. Ali, 2022, The Lancet. Global health.

Global variation in postoperative mortality and complications after cancer surgery: a multicentre, prospective cohort study in 82 countries

Ramadan M. Hamed, Tsz Lun Ernest Wong, Amr H. Ali, 2021, The Lancet.