TY - RPRT TI - Woodchuck hepatitis virus replication and antigen expression gradually decrease in preneoplastic hepatocellular lineages. AU - Yanhua Li AU - Hans Hacker AU - Annette Kopp-Schneider AU - Ulrike Protzer AU - Peter Bannasch PY - 2002 DO - 10.1016/s0168-8278(02)00233-7 UR - https://pubmed.ncbi.nlm.nih.gov/12217601/ ID - 12217601 ER -