Preexisting hypertension is associated with a greater number of long-term post-COVID symptoms and poor sleep quality: a case–control study

1. Fernández-de-las-Peñas, C.
2. Torres-Macho, J.
3. Velasco-Arribas, M.
4. Plaza-Canteli, S.
5. Arias-Navalón, J.A.
6. Hernández-Barrera, V.
7. Guijarro, C.