TY  - RPRT
TI  - Practical methods for public health practitioners.
AU  - Alexander K Rowe
AU  - David G Kleinbaum
AU  - Jeffrey P Koplan
PY  - 2004
DO  - 10.1016/j.amepre.2003.12.002
UR  - https://pubmed.ncbi.nlm.nih.gov/15026108/
ID  - 15026108
ER  -