MURTHY, V. .; OKUNADE, A. . Is the health care price inflation in US urban areas stationary? Evidence from panel unit root tests. Journal of Economics, Finance and Administrative Science, [S. l.], v. 23, n. 44, p. 77–94, 2018. Disponível em: https://revistas.esan.edu.pe/index.php/jefas/article/view/113. Acesso em: 20 aug. 2022.