1. Host defense mechanisms in the gastrointestinal tract;Walker;Pediatrics,1976
2. The mucosal defense system;Hanson,1980
3. Immunologic mechanisms for goblet cell mucous release: Possible role in mucosal host defense;Walker,1982
4. The secretory IgA system in the neonatal period;Hanson,1980
5. Application of the ELISA for determination of immunoglobulin class-specific Escherichia coli antibodies;Ahlstedt;Scand J Immunol,1978