Detection of brief tones in noise by rats

Por Irwin, R. J., Terman, Michael
Publicado em 1970

Bias functions and operating characteristics of rats discriminating auditory stimuli

Por Hume, Ann L., Irwin, R. J.
Publicado em 1974

Multiple schedules: effects of the distribution of reinforcements between components on the distribution of responses between components

Por Lander, D. G., Irwin, R. J.
Publicado em 1968

Salmonella enteritidis and other Salmonella in laying hens and eggs from flocks with Salmonella in their environment.

Por Poppe, C, Johnson, R P, Forsberg, C M, Irwin, R J
Publicado em 1992

A national survey to estimate the prevalence of Salmonella species among Canadian registered commercial turkey flocks.

Por Irwin, R J, Poppe, C, Messier, S, Finley, G G, Oggel, J
Publicado em 1994

The prevalence of Salmonella enteritidis and other Salmonella sp. among Canadian registered commercial chicken broiler flocks.

Por Poppe, C., Irwin, R. J., Messier, S., Finley, G. G., Oggel, J.
Publicado em 1991

The prevalence of verocytotoxin-producing Escherichia coli and antimicrobial resistance patterns of nonverocytotoxin-producing Escherichia coli and Salmonella in Ontario broiler ch...

Por Irwin, R J, McEwen, S A, Clarke, R C, Meek, A H
Publicado em 1989

The prevalence of Salmonella enteritidis and other Salmonella spp. among Canadian registered commercial layer flocks.

Por Poppe, C., Irwin, R. J., Forsberg, C. M., Clarke, R. C., Oggel, J.
Publicado em 1991