Naga Saputra, S. H., Vicky Sumarki Budipramana, and Marjono Dwi Wibowo. “The Most Dominant Predictability Factor of Boey Score on The Level of Mortality in Perforation Gaster Boey Score 1 and Boey Scores 2 Patients in RSUD Dr Soetomo Surabaya”. Bioscientia Medicina : Journal of Biomedicine and Translational Research, Vol. 5, no. 10, June 2021, pp. 926-30, doi:10.32539/bsm.v5i10.357.