FITZGERALD, I.; APPELBOAM, A. A Simple Device to Control Valsalva Manoeuvre Strain Pressure; a Letter to Editor. Archives of Academic Emergency Medicine, [S. l.], v. 6, n. 1, p. e22, 2018. DOI: 10.22037/aaem.v6i1.65. Disponível em: https://journals.sbmu.ac.ir/aaem/index.php/AAEM/article/view/65. Acesso em: 16 jun. 2024.