TY - GEN AU - Gregg,Michael TI - Field Epidemiology / SN - 9780195313802 U1 - 614.4 PY - 2008/// CY - Nueva York, us PB - OXFORD KW - MEDICINA-EPIDEMIOLOGIA-SALUD PUBLICA.- N2 - Background.-- The field investigation.-- Special considerations.-- Field epidemiology  defined.-- Operational aspects of epidemiologic field investigations.-- Conducting a field investigation.-- Surveys and sampling.-- Legal considerations in surveillance and field epidemiology.-- Immunization practices for the field epidemiologist ER -