title: Comments on 'Mendelian randomization: using genes as instruments for making causal inferences in epidemiology' by Debbie A. Lawlor, R. M. Harbord, J. A. Sterne, N. Timpson and G. Davey Smith, Statistics in Medicine, DOI: 10.1002/sim.3034.
authors.forename: Andreas
authors.initials: A
authors.lastname: Ziegler
authors.forename: Friedrich
authors.initials: F
authors.lastname: Pahlke
authors.forename: Inke R
authors.initials: IR
authors.lastname: König
mesh_terms: D015982:Bias; D015984:Causality; D004813:Epidemiology / Q000706:statistics & numerical data*; D006801:Humans; D017720:Molecular Epidemiology; D011897:Random Allocation; D018805:Sepsis / Q000235:genetics*; D014409:Tumor Necrosis Factor-alpha / Q000032:analysis* / Q000097:blood / Q000235:genetics*
chemical_list: D014409:Tumor Necrosis Factor-alpha