TY - JOUR AU - Shrier, Ian AU - Platt, Robert W. PY - 2008 DA - 2008/10/30 TI - Reducing bias through directed acyclic graphs JO - BMC Medical Research Methodology SP - 70 VL - 8 IS - 1 AB - The objective of most biomedical research is to determine an unbiased estimate of effect for an exposure on an outcome, i.e. to make causal inferences about the exposure. Recent developments in epidemiology have shown that traditional methods of identifying confounding and adjusting for confounding may be inadequate. SN - 1471-2288 UR - https://doi.org/10.1186/1471-2288-8-70 DO - 10.1186/1471-2288-8-70 ID - Shrier2008 ER -