title: Commentary: estimating direct and indirect effects-fallible in theory, but in the real world?
authors.affiliation: Department of Public Health, Wellington School of Medicine, University of Otago, PO Box 7343, Wellington, New Zealand. tblakely@wnmeds.ac.nz
authors.forename: Tony
authors.initials: T
authors.lastname: Blakely
mesh_terms: D001241:Aspirin / Q000627:therapeutic use; D015982:Bias; D015340:Epidemiologic Research Design; D006801:Humans; D009203:Myocardial Infarction / Q000188:drug therapy / Q000453:epidemiology*; D010975:Platelet Aggregation Inhibitors / Q000627:therapeutic use
chemical_list: D010975:Platelet Aggregation Inhibitors; D001241:Aspirin