Sagnelli, C.;                     Sagnelli, E.;                     Russo, A.;                     Pisaturo, M.;                     Occhiello, L.;                     Coppola, N.    
        HBV/HDV Co-Infection: Epidemiological and Clinical Changes, Recent Knowledge and Future Challenges. Life 2021, 11, 169.
    https://doi.org/10.3390/life11020169
    AMA Style
    
                                Sagnelli C,                                 Sagnelli E,                                 Russo A,                                 Pisaturo M,                                 Occhiello L,                                 Coppola N.        
                HBV/HDV Co-Infection: Epidemiological and Clinical Changes, Recent Knowledge and Future Challenges. Life. 2021; 11(2):169.
        https://doi.org/10.3390/life11020169
    
    Chicago/Turabian Style
    
                                Sagnelli, Caterina,                                 Evangelista Sagnelli,                                 Antonio Russo,                                 Mariantonietta Pisaturo,                                 Laura Occhiello,                                 and Nicola Coppola.        
                2021. "HBV/HDV Co-Infection: Epidemiological and Clinical Changes, Recent Knowledge and Future Challenges" Life 11, no. 2: 169.
        https://doi.org/10.3390/life11020169
    
    APA Style
    
                                Sagnelli, C.,                                 Sagnelli, E.,                                 Russo, A.,                                 Pisaturo, M.,                                 Occhiello, L.,                                 & Coppola, N.        
        
        (2021). HBV/HDV Co-Infection: Epidemiological and Clinical Changes, Recent Knowledge and Future Challenges. Life, 11(2), 169.
        https://doi.org/10.3390/life11020169