Talaghir, Lauretiu-Gabriel, et al. « Statistical Analysis of Hospitalized Morbidity Indicators based on DRG in Romanian Public Hospitals ». Revista de Cercetare si Interventie Sociala, vol. 61, juin 2018, p. 163-86, https://www.rcis.ro/journal/article/view/2448-statistical-analysis-of-hospitalized-morbidity-indicators.