TY - GEN AU - Sastre,A AU - Ariño,V AU - Gutiérrez,J L AU - León,P AU - Echevarría,J M TI - [Infection with HBV-2?] SN - 0213-005X PY - 1992///0908 KW - Female KW - Hepatitis B KW - microbiology KW - Hepatitis B virus KW - classification KW - Humans KW - Male KW - Pregnancy N1 - Publication Type: Letter ER -