capecitabine(2) Brivudine(2) Breast cancer(2) dihydropyrimidine dehydrogenase(2) SARS-CoV-2(2) mucositis(2) Remdesivir(2) Drug interactions(2) pancytopenia.(2) HIV(1) Azithromycin(1) liver failure(1) COVID-19 pandemic(1) endocrine therapy.(1) Staphylococcus pseudintermedius(1) entecavir(1) herpes simplex virus(1) Hepatitis(1) outpatient treatment(1) Metastatic breast cancer(1) persistent infection(1) hepatitis B(1) antiviral drugs(1) Hydroxychloroquine(1) COVID-19(1) elderly patients(1) Transmission(1) congenital cytomegalovirus(1) cholestasis(1) antiHer2 agents(1)