title: Re: "Mendelian randomization and estimation of treatment efficacy for chronic diseases".
authors: Department of Clinical Epidemiology, Leiden University Medical Centre, 2300 RC Leiden, The Netherlands.
authors: Anna G C
authors: AG
authors: Boef
authors: Iris
authors: I
authors: Postmus
authors: Bob
authors: B
authors: Siegerink
mesh_terms: D002908:Chronic Disease / Q000188:drug therapy*; D006801:Humans