TY  - RPRT
TI  - Differential susceptibility epidemic models.
AU  - James M Hyman
AU  - Jia Li
PY  - 2004
DO  - 10.1007/s00285-004-0301-7
UR  - https://pubmed.ncbi.nlm.nih.gov/15614550/
ID  - 15614550
ER  -