1) Lichtenstein LM, Ishizaka K, Norman PS, Sobotka AK, Hill BM : IgE antibodymeasurements in ragweed hay fever. Ralationship to clinical severity and the results of immunotherapy. J Clin Invest 52 : 472-482, 1973.
2) Lichtenstein LM, Holzman NA, Burnet LS : A quantitative in vitro study of the chromatographic distribution and immunoglobulin characteristic of human blocking antibody. J Immunol 101 : 317-324, 1968.
3) Evans R, Pence H, Kaplan H, Rocklin RE : The effect of immunotherapy on humoral and cellular responses in ragweed hayfever. J Clin Invest 57 : 1378-1385, 1976.