1. Localisation by immunofluorescence of secretory component and IgA in intestinal mucosa of the young pig;Allen;Immunology,1973a
2. The relative distribution of IgM and IgA cells in intestinal mucosa and lymphoid tissue of the young pig and their significance in ontogenesis of secretory immunity;Allen;Immunology,1973b
3. Localisation of intracellular immunoglobulin A in porcine intestinal mucosa using enzyme-labelled antibody;Allen;Immunology,1973
4. Evidence for the secretory transport mechanism of intestinal immunoglobulin. The ultrastructural distribution of IgM;Allen;Immunology,1976
5. Orale, aktine Immunisierung neugeborener Ferkel gegen E. coli: Wirksamkeitsnachweis in Darmligaturtest;Balger;Zentralbl. Veterinaermed.,1975