TY - JOUR TI - Modelling heterogeneities in individual frailties in epidemic models PY - 1999 AU - Coutinho, Francisco Antônio Bezerra AU - Massad, Eduardo AU - Lopez, Luis Fernandez AU - Burattini, Marcelo Nascimento AU - Struchiner, Claudio J. AU - Azevedo Neto, Raymundo Soares de T2 - Mathematical and Computer Modelling SN - 0895-7177 DO - 10.1016/s0895-7177(99)00119-3 UR - https://doi.org/10.1016/s0895-7177(99)00119-3 VL - 30 SP - 97-115 ER -