COVID-19: an observational study on the challenges faced by pharmacists in assisting and combating infection in times of pandemic. Research, Society and Development, [S. l.], v. 10, n. 15, p. e461101521140, 2021. DOI: 10.33448/rsd-v10i15.21140. Disponível em: https://rsdjournal.org/rsd/article/view/21140. Acesso em: 5 dec. 2025.