^{1 https://www.who.int/news-room/fact-sheets/detail/musculoskeletal-conditions}

^{2 https://istoe.com.br/179642_AS+ARMADILHAS+DOS+ANALGESICOS/}

^{3 https://www.who.int/news-room/fact-sheets/detail/headache-disorders}

^{4 https://saude.abril.com.br/blog/com-a-palavra/novo-tratamento-para-o-avc-pode-chegar-a-todos-os-brasileiros/}

^{5 https://www.coffito.gov.br/}

^{6 https://www.fm.usp.br/fmusp/conteudo/DemografiaMedica2020_9DEZ.pdf}

^{7 https://www.360researchreports.com/global-biofeedback-instrument-market-15972558}