1. Sensitivity to Gum Acacia, With Report of Ten Cases of Asthma in Printers;Bohner;J. Allergy,1941
2. Karaya Gum as a Cause of Urticaria;Bowen;Arch. Dermat. & Syph.,1939
3. Perennial Hay Fever from Indian Gum (Karaya Gum);Bullen;J. Allergy,1934
4. Karaya Gum Asthma;Feinberg;J. A. M. A.,1935
5. Karaya and Related Gums as Causes of Atopy;Feinberg;Wisconsin M. J.,1940