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Standard methods for the examination of dairy products [+]

Microbiological and chemical : Microbiological methods formulated by Committees of the American Public Health Association ... September 29-October 1, 1952

The control of communicable diseases [+]

a manual of the American Public Health Association Published by the Office of War Information

  • American public health association

Public swimming pools [+]

recommended regulations for design and costruction, operation and maintenence

Manuale per il controllo delle malattie trasmissibili [+]

rapporto ufficiale dell'American public health association

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