Comparison of the polymerase region of small round structured virus strains previously classified in three antigenic types by solid-phase immune electron microscopy - Ando, T.; Mulders, M. N.; Lewis, D. C.; Estes, M. K.; Monroe, S. S.; Glass, R. I. (Springer, 1994)
http://dx.doi.org/10.1007/BF01309781
Keywords: WW-YZ