TY - RPRT TI - Detection of infectious bronchitis virus by real-time reverse transcriptase-polymerase chain reaction and identification of a quasispecies in the Beaudette strain. AU - M W Jackwood AU - D A Hilt AU - S A Callison DO - 10.1637/6075 UR - https://pubmed.ncbi.nlm.nih.gov/14562902/ ID - 14562902 ER -