Serum iron levels and the risk of Parkinson disease: a Mendelian randomization study

Irene Pichler, Fabiola Del Greco M, Martin Gögele, Christina M Lill, Lars Bertram, Chuong B Do, Nicholas Eriksson, Tatiana Foroud, Richard H Myers, Michael Nalls, Margaux F Keller, Beben Benyamin, John B Whitfield, Peter P Pramstaller, Andrew A Hicks, John R Thompson, Cosetta Minelli, PD GWAS Consortium, Karen Morrison