Evidence for two single copy units in Theileria parva ribosomal RNA genes - Kibe, M.K.; Ole-MoiYoi, O.K.; Nene, Vishvanath M.; Khan, B.; Allsopp, B.A.; Collins, N.E.; Morzaria, S.P.; Gobright, E.I.; Bishop, B.P. (Elsevier, 1994)