Measurement of anaerobic threshold during dynamic exercise in healthy subjects: comparison among visual analysis and mathematical models - Crescêncio, Júlio César; Martins, L. E. B.; Murta Júnior, Luiz Otávio; Antloga, Cleide Marques; Kozuki, R.; Santos, M. D. B.; Marin-Neto, José Antônio; Maciel, Benedito Carlos; Gallo Júnior, Lourenço (Computers in Cardiology, 2003)