title: The equivocal effect of nitrates on the presumptive test of bacteriologically nonpotable waters.
authors.forename: H S
authors.initials: HS
authors.lastname: TUBIASH
mesh_terms: D009566:Nitrates / Q000494:pharmacology*; D014867:Water; D014881:Water Supply
chemical_list: D009566:Nitrates; D014867:Water