J. Betta Canever, B. M. de . Moura, F. Diefenthaeler, and K. M. M. e . Lima, “Does gender influence the echo intensity of quadriceps femoris in young healthy subjects? Does gender influence the muscle echo intensity?”, Arq. Bras. Ed. Fís., vol. 4, no. 1, pp. 124–133, Oct. 2021.