Browsing 1970 Onderstepoort Journal of Veterinary Research, Volume 37, 1970 by Subject "Three-day sickness in cattle"

Browsing 1970 Onderstepoort Journal of Veterinary Research, Volume 37, 1970 by Subject "Three-day sickness in cattle"

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  • Lecatsas, G.; South Africa. Dept. of Agricultural Technical Services; Tustin, R.C.; De Lange, M.; Reinecke, R.K.; Walker, Jane B.; De Kock, V.E. (Pretoria : Government Printer, 1970)
    Electron microscope observations on ephemeral fever virus showed that the electron-dense material was helical in structure, that probably two strands 4 nm in diameter formed a limb approx. 17 nm in diameter with one complete ...