Garcia Quesada, J.; Hernández Zúñiga, E.; Granados Zamora, M. Prevalence of Mutations Methylentetrahydrofolate Reductase (MTHFR), Prothrombin (II G20210G/G20210A) and Leyden V Factor in Patients Undergoing Studies by Thrombophilic Profile. Hospital San Vicente De Paul. Costa Rica, 2017 to 2018. PSM 2021, 19.