Immunological and biochemical studies in beekeepers and their family membersJohn W. Yunginger, Gerald J. Gleich, P.W. Welsh et al.|Journal of Allergy and Clinical Immunology|1978Cited by 59
Preseasonal intranasal immunotherapy with nebulized short ragweed extractP.W. Welsh, Gerald J. Gleich, Ellen M. Zimmermann et al.|Journal of Allergy and Clinical Immunology|1981Cited by 57
Allergen-controlled study of intranasal immunotherapy for ragweed hay feverP.W. Welsh, Gerald J. Gleich, Monica Agarwal et al.|Journal of Allergy and Clinical Immunology|1983Cited by 47
Allergy to Tobacco: An Occupational HazardGerald J. Gleich, John B. Catlett, P.W. Welsh et al.|New England Journal of Medicine|1980Cited by 45
Immunochemical Demonstration of Red Oak Pollen Aeroallergens outside the Oak Pollination SeasonE Fernández-Caldas, C.E. Reed, Mark C. Swanson et al.|Grana|1989Cited by 39