1.
Investigating the Mental Health Burden of the COVID-19 Pandemic in Two Populations from Different Socioeconomic Levels in São Paulo, Brazil: A Qualitative Analysis. PPCR [Internet]. 2025 Sep. 26 [cited 2025 Nov. 7];11(2). Available from: https://journal.ppcr.org/index.php/ppcrjournal/article/view/335