Article révisé par les pairs
Résumé : (1) The preventive injection of a protein-free bood extract effectively protects rats with gastric ulcers provoked by intermittent electric shocks. (2) The daily injection of blood extract brings about an important acceleration of the cicatrization of ulcerating lesions provoked by electric shock. (3) Daily intramuscular or subcutaneous administration of proteinfree blood extract significantly accelerates cicatrization of severe ulcerating lesions determined by cutaneous injection of a strain of Escherichia coli. © 1963 S. Karger AG, Basel.