TY - RPRT TI - An intraleader open reading frame is selected from a hypervariable 5' terminus during persistent infection by the bovine coronavirus. AU - M A Hofmann AU - S D Senanayake AU - D A Brian PY - 1993 DO - 10.1007/978-1-4615-2996-5_17 UR - https://pubmed.ncbi.nlm.nih.gov/8209714/ ID - 8209714 ER -