1. Excretion of histamine in human urine;Adam;Quart. J. exp. Physiol.,1950
2. The excretion of histamine in urine;Anrep;J. Physiol. (Lond.),1944
3. Nachweis von Histamin, N-Dimethylhistamin, N-Acetylhistamin und Acetylcholin in Spinacia oleracea;Appel;Arzneimittel-Forsch.,1959
4. Histamine in human urine;Beall;Int. Arch. Allergy,1965
5. The bacterial content of the healthy human small intestine;Cregan;Brit. med. J.,1953