The synergistic interaction between ACE and TMPRSS2 polymorphisms increases the risk of severe COVID-19 - Odonchimeg Bayaraa; Chimedlkhamsuren Ganbold; Bayarlakh Byambadorj; Zolzaya Battulga; Ichinnorov Dashtseren; Sarantuya Jav (PLoS ONE, 2026)