Reply to 'pH paper trumps expensive kits in measuring acidity'.
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D005260:Female; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007202:Indicators and Reagents / Q000009:adverse effects / Q000191:economics*; D011933:Reagent Kits, Diagnostic; D011934:Reagent Strips / Q000009:adverse effects / Q000191:economics*; D014621:Vagina / Q000737:chemistry / Q000378:metabolism*; D016585:Vaginosis, Bacterial / Q000175:diagnosis
D007202:Indicators and Reagents; D011933:Reagent Kits, Diagnostic; D011934:Reagent Strips