Fibrinolytic Activity of the Fluid of Wheals Induced by Inhalant Allergens as Compared to Those Induced by Injection of Histamine**From the Departments of Dermatology, Physiology, and Microbiology; University of Oklahoma School of Medicine, Oklahoma City, Oklahoma. This study was supported by a research grant (PHS E-1054) from the National Institute of Allergy and Infectious Disease, National Institutes of Health, Public Health Service. Laboratory space was made available by the Oklahoma Medical Research Foundation through the Department of Dermatology, Dr. John H. Lamb, Chairman.