TY  - RPRT
TI  - Basic elements in a conceptual framework for new and resurgent disease. Introduction--conceptual framework section.
AU  - R Levins
PY  - 1994
DO  - 10.1111/j.1749-6632.1994.tb19900.x
UR  - https://pubmed.ncbi.nlm.nih.gov/7840473/
ID  - 7840473
ER  -