O group is a protective factor for COVID19 in Basque population.
Muñoz-Culla M, Roncancio-Clavijo A, Martínez B, Gorostidi-Aicua M, Piñeiro L, Azkune A, Alberro A, Monge-Ruiz J, Castillo-Trivino T, Prada A, Otaegui D.
Muñoz-Culla M, et al. Among authors: otaegui d.
PLoS One. 2021 Apr 7;16(4):e0249494. doi: 10.1371/journal.pone.0249494. eCollection 2021.
PLoS One. 2021.
PMID: 33826662
Free PMC article.