Anaerobic threshold during exercise in healthy subjects: comparison among visual analysis and mathematical models - Crescêncio, Júlio César; Martins, Luiz Eduardo Barreto; Marães, Vera Regina Fernandes Silva; Murta Júnior, Luiz Otávio; Antloga, Cleide Marques; Catai, Aparecida Maria; Silva, Ester; Kozuki, Renata Torres; Marin-Neto, José Antônio; Maciel, Benedito Carlos; Gallo Júnior, Lourenço (American Physiological Society APS Intersociety Meeting, Integrative Biology of Exercise, 2004)