QUAN, S F Studies on Pasteurella pestis in fleas. II. Experimental blocking of Xenopsylla cheopis with an avirulent strain of P. pestis. [electronic resource] - Science (New York, N.Y.) Dec 1954 - 1101-2 p. digital Publication Type: Journal Article ISSN: 0036-8075 Standard No.: 10.1126/science.120.3131.1101 doi Subjects--Topical Terms: AnimalsInfectionsPlagueSiphonapteraXenopsyllaYersinia pestis