NEISSE, Anderson Cristiano, et al. “CHRONIC FATIGUE SYNDROME AND ITS RELATION WITH ABSENTEEISM: ELASTIC-NET AND STEPWISE APPLIED TO BIOCHEMICAL AND ANTHROPOMETRIC CLINICAL MEASUREMENTS”. Brazilian Journal of Biometrics, vol. 39, no. 1, Mar. 2021, pp. 221-39, doi:10.28951/rbb.v39i1.533.