Bottled water vs tap: which is better?
D005459:Fluorides / Q000032:analysis; D006801:Humans; D008900:Mineral Waters / Q000382:microbiology; D009820:Ohio; D014867:Water / Q000737:chemistry; D014871:Water Microbiology; D014881:Water Supply
D008900:Mineral Waters; D014867:Water; D005459:Fluorides