TY - BOOK AU - Pollard, Morris (ed.) TI - Persistent Virus Infections: perspectives in virology viii SN - 0-12-560560-9 U1 - 578 PY - 1973/// CY - New York PB - Academic Press KW - Virology KW - Microscopy -- Biology N1 - 4124 / 15.11.1973; virology, microscopy, viral biology ER -