Paraboschi EM, Khera AV, Merlini PA, Gigante L, Peyvandi F, Chaffin M, Menegatti M, Busti F, Girelli D, Martinelli N, Olivieri O, Kathiresan S, Ardissino D, Asselta R, Duga S. Rare variants lowering the levels of coagulation factor X are protective against ischemic heart disease. Haematologica 2020; 105(7):e365-e369; https://doi.org/10.3324/haematol.2019.237750.