1.
Prior infection with Bordetella bronchiseptica increases nasal colonization by Haemophilus parasuis in swine
by Brockmeier, Susan L
Veterinary microbiology, 2004, Vol.99(1), pp.75-78

2.
Differences in clinical disease and immune response of pigs challenged with a high-dose versus low-dose inoculum of porcine reproductive and respiratory syndrome virus
by Loving, Crystal L
Viral immunology, September 2008, Vol.21(3), pp.315-25
