TY  - BOOK
AU  - Nelson, David E.
TI  - Communicating public health information effectively: a guide for practitioners 
SN  - 0-87553-027-3
U1  - 362.1 
PY  - 2002///
CY  - Washington
PB  - American Public Health Association
KW  - Practicas de Salud Pública
ER  -