MOHAMMAD ABDELRAHMAN HUSSEIN, MD; SAYED ABD ELSABOUR KINAWY, MD; DHAFER SALEH AL BAHRI, AHMED ABDELHAY ABOUELENEIN, AMR ELSAFTY; MSC; AYMAN ABDELSABOUR, HAMADA KOLAK, ABDELRAHMAN ABDELHADY, MSC; ALDHILI MOHAMMED KHALID, TAREK MOHAMED AFIFI, MD. Improving operating theatre utilization time in New Najran General Hospital using lean six sigma approach, is it still a valid strategy in healthcare?. South Eastern European Journal of Public Health, [S. l.], p. 4759–4771, 2025. DOI: 10.70135/seejph.vi.4986. Disponível em: https://www.seejph.com/index.php/seejph/article/view/4986. Acesso em: 3 apr. 2026.