Guimarães Junior, D. S.; Melo, F. J. C. de; Sant’anna, C. H. M. de; Soares, E. J. O.; Ferraz Júnior, G.; Medeiros, D. D. de. ESTIMATING THE UNDERESTIMATION PROFILE OF HEALTH SERVICE NEEDS THROUGH TELEPHONE COUNSELING CENTERS. RN 2020, 25, 6-18.