Citation: Lc. Dupuy et al., Casein kinase 2-mediated phosphorylation of respiratory syncytial virus phosphoprotein P is essential for the transcription elongation activity of the viral polymerase; Phosphorylation by casein kinase 1 occurs mainly at Ser(215) and is without effect, J VIROLOGY, 73(10), 1999, pp. 8384-8392