TY - GEN AU - Krzyzanowski,M TI - Methods for assessing the extent of exposure and effects of air pollution SN - 1351-0711 PY - 1997///0603 KW - Air Pollutants KW - analysis KW - Air Pollution KW - adverse effects KW - Bias KW - Confounding Factors, Epidemiologic KW - Data Collection KW - methods KW - Environmental Exposure KW - Humans KW - Risk Assessment N1 - Publication Type: Journal Article; Review UR - https://doi.org/10.1136/oem.54.3.145 ER -