1. Selective IgA deficiency: presentation of 30 cases and a review of the literature;Ammann, A.J.; Hong, R.;Medicine (Baltimore),1971
2. Studies on the serum yA-globulin level. III. Frequency A-yA-globulinemia;Bachmann, R.;Scandinavian Journal of Clinical Laboratory Investigation,1965
3. Comparative mapping of the local distribution of immunoglobulin-containing cells in ulcerative colitis and Crohn's disease of the colon;Baklien, K.; Brandtzaeg, P.;Clinical and Experimental Immunology,1975
4. Isolated severe gamma A deficiency: immunoglobulin levels, clinical disorders and chromosome studies;Claman, H.N.; Merrill, D.A.; Peakman, D.; Robinson, A.;Journal of Laboratory and Clinical Medicine,1970
5. Agammaglobulinaemia with B lymphocytes. Specific defect of plasma cell differentiation;Cooper, M.D.; Lawton, A.R.; Bockman, D.E.;Lancet,1971