title: The nucleotide sequence of the extreme 5' end of the avian coronavirus genome; implications for the discontinuous mRNA synthesis.
mesh_terms: D001483:Base Sequence; D003332:Coronaviridae / Q000235:genetics*; D005814:Genes, Viral; D001351:Infectious bronchitis virus / Q000235:genetics*; D012333:RNA, Messenger / Q000096:biosynthesis*
chemical_list: D012333:RNA, Messenger