TY - GEN AU - Dab,W AU - Festy,B TI - [In search for the threshold: variations on the decision-making role of epidemiologic surveillance] SN - 0398-7620 PY - 1998///1118 KW - Air Pollutants KW - Air Pollution KW - Decision Making KW - Environmental Exposure KW - Epidemiologic Methods KW - France KW - Humans KW - Population Surveillance KW - Public Health N1 - Publication Type: Editorial ER -