TY - CPAPER AU - Roy N. Kirkwood, DVM, PhD; Shirley A. Rawluk; Artur C. Cegielski, DVM; Arlene J. Otto TI - Effect of pig age and autogenous sow vaccination on nasal mucosal colonization of pigs by Haemophilus parasuis T2 - Journal of Swine Health and Production DP - American Association of Swine Veterinarians DB - AASV Swine Information Library UR - https://www.aasv.org/library/swineinfo/ PY - 2001 DA - 2001/01/01 L1 - https://www.aasv.org/library/swineinfo/Content/SHAP/2001/v9n2p77.pdf ER -