Tråvén, M. (2000). Winter dysentery caused by bovine coronavirus: No rule without an exception : diagnostics, clinical picture, epidemiology and herd immunity. Swedish University of Agricultural Sciences.
Dyfyniad Arddull ChicagoTråvén, Madeleine. Winter Dysentery Caused by Bovine Coronavirus: No Rule Without an Exception : Diagnostics, Clinical Picture, Epidemiology and Herd Immunity. Uppsala: Swedish University of Agricultural Sciences, 2000.
Dyfyniad MLATråvén, Madeleine. Winter Dysentery Caused by Bovine Coronavirus: No Rule Without an Exception : Diagnostics, Clinical Picture, Epidemiology and Herd Immunity. Swedish University of Agricultural Sciences, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.