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Procedures Recommended for the Study of Bacteria
Procedures Recommended for the Study of Bacteria
American Public Health Association
Standard Methods for the Examination of Water and Wastewater; Volume 3
Standard Methods for the Examination of Water and Wastewater; Volume 3
American Public Health Association
Reports and resolutions relating to Sanitary Legislation
Reports and resolutions relating to Sanitary Legislation
American Public Health Association
Public Health Papers And Reports, Volume 10
Public Health Papers And Reports, Volume 10
American Public Health Association
Control of communicable diseases in man
Control of communicable diseases in man
American Public Health Association