Disparities in healthcare utilization among vulnerable populations during the COVID-19 pandemic in Brazil: an intersectional analysis - Ferezin, Letícia Perticarrara; Rosa, Rander Junior; Moura, Heriederson Sávio Dias; Campos, Mônica Chiodi Toscano de; Delpino, Felipe Mendes; Nascimento, Murilo César do; Araújo, Juliana Soares Tenório de; Pinto, Ione Carvalho; Arcêncio, Ricardo Alexandre (International Journal of Environmental Research and Public Health, 2025)