1. Mucosal and systemic antibody responses to bovine coronavirus structural proteins in experimentally challenge-exposed calves fed low or high amounts of colostral antibodies;Heckert;Am. J. Vet. Res.,1991
2. Mucosal and systemic isotype-specific antibody responses to bovine coronavirus structural proteins in naturally infected dairy calves;Heckert;Am. J. Vet. Res.,1991
3. Epidemiologic factors and isotype-specific antibody responses in serum and mucosal secretions of dairy calves with bovine coronavirus respiratory tract and enteric tract infections;Heckert;Am. J. Vet. Res.,1991
4. Protection of neonatal calves against fatal enteric colibacillosis by administration of egg yolk powder from hens immunized with K99-piliated enterotoxigenic Escherichia coli;Ikemori;Am. J. Vet. Res.,1992
5. Research note: avidity of chicken yolk antibodies to enterotoxigenic Escherichia coli fimbriae;Ikemori;Poultry Sci.,1993