STOYANOV, Hristo; YANEVA, Rumyana. STUDY OF REVENUE CHANGE IN UNIVERSITY MULTIPROFILE HOSPITALS FOR ACTIVE TREATMENT IN BULGARIA. MEDIS – International Journal of Medical Sciences and Research, [S. l.], v. 2, n. 3, p. 1–5, 2023. DOI: 10.35120/medisij020301s. Disponível em: http://medisij.com/index.php/mij/article/view/62. Acesso em: 5 mar. 2024.