Víquez Ulate, Fabián, and Gerardo Araya Vargas. “Determination of Factors Related to the Abandonment of the Practice of Swimming by Former Costa Rican Swimmers”. MHSalud: Revista En Ciencias Del Movimiento Humano Y Salud, vol. 4, no. 2, Dec. 2007, https://doi.org/10.15359/mhs.4-2.4.