Reference:
Tyrrell J, Huikari V, Christie JT, Cavadino A, Bakker R, Brion MJ, Geller F, Paternoster L, Myhre R, Potter C, Johnson PC, Ebrahim S, Feenstra B, Hartikainen AL, Hattersley AT, Hofman A, Kaakinen M, Lowe LP, Magnus P, McConnachie A, Melbye M, Ng JW, Nohr EA, Power C, Ring SM, Sebert SP, Sengpiel V, Taal HR, Watt GC, Sattar N, Relton CL, Jacobsson B, Frayling TM, Sørensen TI, Murray JC, Lawlor DA, Pennell CE, Jaddoe VW, Hypponen E, Lowe WL Jr, Jarvelin MR, Davey Smith G, Freathy RM.Top of Form Genetic variation in the 15q25 nicotinic acetylcholine receptor gene cluster (CHRNA5-CHRNA3-CHRNB4) interacts with maternal self-reported smoking status during pregnancy to influence birth weight. Human Molecular Genetics 2012;21(24): 5344-5358.