Fernández-de-Las-Peñas C, Díaz-Gil G, Gil-Crujera A, Gómez-Sánchez SM, Ambite-Quesada S, Torres-Macho J et al. DNA Salivary Methylation Levels of the ACE2 Promoter Are Not Related to ACE2 (rs2285666 and rs2074192), TMPRSS2 (rs12329760 and rs2070788) and ACE1 rs1799752 Polymorphisms in COVID-19 Survivors with Post-COVID-19 Condition. International Journal of Molecular Sciences . 2025 mar.;26(5):2100. doi: 10.3390/ijms26052100