title: Re: "credible mendelian randomization studies: approaches for evaluating the instrumental variable assumptions".
authors: Tom M
authors: TM
authors: Palmer
authors: Roland R
authors: RR
authors: Ramsahai
authors: Debbie A
authors: DA
authors: Lawlor
authors: Nuala A
authors: NA
authors: Sheehan
authors: Vanessa
authors: V
authors: Didelez
mesh_terms: D015984:Causality; D015340:Epidemiologic Research Design; D006801:Humans; D057182:Mendelian Randomization Analysis / Q000379:methods*