Presence of Cofactor for the Vascular Permeability Factor of Pseudomonas aeruginosa.
Purification of the vascular permeability factor of Pseudomonas aeruginosa resulted in loss of activity and qualitative changes in skin lesions in rabbits. Addition to the purified vascular permeability factor of a macromolecular fraction with no vascular permeability factor activity restored the original characteristics of the skin reaction.
Kusama
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Division of Laboratories and Research, New York State Department of Health, Albany, New York 12201.