− | Campylobacter does not affect cattle as badly as it does in sheep <ref name="1">E. Miller,Campylobacter, The Sun, (New York: Academic Press, 2005), 23-5.</ref> | + | Campylobacter does not affect cattle as badly as it does in sheep <ref name="one">E. Miller,Campylobacter, The Sun, (New York: Academic Press, 2005), 23-5.</ref> |