Benenson, A. S. (1985). Control of communicable diseases in man (14ª ed.). American Public Health.
Dyfyniad Arddull ChicagoBenenson, Abram S. Control of Communicable Diseases in Man. 14ª ed. American Public Health, 1985.
Dyfyniad MLABenenson, Abram S. Control of Communicable Diseases in Man. 14ª ed. American Public Health, 1985.
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