Outcomes in Patients Admitted for Upper Gastrointestinal Bleeding and COVID-19 Infection: A Study of Two Years of the Pandemic. - Cazacu SM; Burtea DE; Iovănescu VF; Florescu DN; Iordache S; Turcu-Stiolica A; Sacerdotianu VM; Ungureanu BS (Life (Basel, Switzerland), 2023)