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Start Over You searched for: Subjects Water Purification -- standards Remove constraint Subjects: Water Purification -- standards Titles Efficiency of standard Army water purification equipment and of diatomite filters in removing cysts of Endamoeba histolytica from water: for official action Remove constraint Titles: Efficiency of standard Army water purification equipment and of diatomite filters in removing cysts of Endamoeba histolytica from water: for official action Dates by Range 1900-1949 Remove constraint Dates by Range: 1900-1949

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1. Efficiency of standard Army water purification equipment and of diatomite filters in removing cysts of Endamoeba histolytica from water: for official action