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Avian Diseases|January 1, 1978
Typing field isolates of infectious bronchitis by the plaque-reduction testS R HopkinsInternational Journal of Sports Medicine|August 1, 1990
Isolated fractures of the capitate: use of nuclear medicine as an aid to diagnosisS R Hopkins, W AmmannAvian Diseases|April 1, 1985
Efficacy of experimental inactivated mycoplasma gallisepticum oil-emulsion bacterin in egg-layer chickensH W Yoder, S R HopkinsAvian Diseases|January 1, 1983
Evaluation of the hemagglutination-inhibition test for measuring the response of chickens to avian infectious bronchitis virus vaccinationD J King, S R HopkinsAvian Diseases|April 1, 1984
Increased incidence of airsacculitis in broilers infected with mycoplasma synoviae and chicken-passaged infectious bronchitis vaccine virusS R Hopkins, H W YoderAvian Diseases|July 1, 1984
Rapid serotyping of infectious bronchitis virus isolates with the hemagglutination-inhibition testD J King, S R HopkinsAvian Diseases|January 1, 1986
Reversion to virulence of chicken-passaged infectious bronchitis vaccine virusS R Hopkins, H W YoderCanadian Journal of Applied Physiology = Revue Canadienne De Physiologie Appliquee|September 1, 1994
The laboratory assessment of endurance performance in cyclistsS R Hopkins, D C McKenzieAdvances in Experimental Medicine and Biology|April 13, 2002
Common themes of adaptation to hypoxia. Insights from comparative physiologyS R Hopkins, F L PowellAvian Diseases|October 1, 1982
Influence of infectious bronchitis strains and vaccines on the incidence of Mycoplasma synoviae airsacculitisS R Hopkins, H W YoderPageof 5