[Control of rat fleas in large cities as a prophylactic measure for plague. I].
D000818:Animals; D035843:Biomedical Research; D002947:Cities; D058267:Flea Infestations; D010930:Plague / Q000517:prevention & control*; D051381:Rats; D005423:Siphonaptera
FLEAS; PLAGUE/prevention and control
Bor'ba s blokhami krys v usloviiakh krupnykh gorodov kak mera profilaktiki chumy. I.