TY - JOUR AU - Gerin, J L; Ford, E C; Purcell, R H TI - Biochemical characterization of Australia antigen. Evidence for defective particles of hepatitis B virus JO - Am J Pathol IS - 03 VL - 81 PY - 1975 L3 - PubMed-ID: 1211425 SP - 651 EP - 668 ER -