1. Medicated early weaning to obtain pigs free from pathogens endemic in the herd of origin;Alexander;Vet. Rec.,1980
2. Electron microscopic observation of the respiratory tract of SPF pigs inoculated with Mycoplasma hyopneumoniae;Blanchard;Vet. Microbiol.,1992
3. Comparison of the cross-reactions to different Mycoplasma hyopneumoniae antigen preparations in ELISA;Bölske;Zbl. Bakt. Supplement,1990
4. Investigating the transmission of Mycoplasma hyopneumoniae in a swine herd with enzootic pneumonia;Clark;Vet. Med.,1991
5. An evaluation of the components of medicated early weaning;Clark;Swine Health Production,1994