The influence of levodopa on respiratory function in Parkinson’s disease patients: a systematic review and meta-analysis. Research, Society and Development, [S. l.], v. 10, n. 14, p. e457101422262, 2021. DOI: 10.33448/rsd-v10i14.22262. Disponível em: https://rsdjournal.org/rsd/article/view/22262. Acesso em: 5 dec. 2025.