SURESHA VERMA. Study of Sleep Stages and Disorders within the Framework of Medical Physics. International Journal of Engineering, Science and Humanities, [S. l.], v. 1, n. 1, p. 28–33, 2011. Disponível em: https://www.ijesh.com/index.php/j/article/view/103. Acesso em: 25 sep. 2025.