TY - JOUR TI - Continuous function model for the age-related force of infection PY - 1990 AU - Massad, Eduardo AU - Raimundo, S M AU - Silveira, A S B T2 - Mathematical and Computer Modelling DO - 10.1016/0895-7177(90)90057-t UR - https://doi.org/10.1016/0895-7177(90)90057-t VL - 13 IS - 4 SP - 101-12 ER -