Assertion: boric acid's use | /r/HasSubevent | increase
Facets:
value: in false positives
type: OTHER
Source sentences:
text: This is in contrast to previous studies where the use of plain tubes resulted in an increase in false positives, so was not recommended (Jefferson and others 1975, Shrestha 1975, Hindman and others 1976, Watson and Duerden 1977, Wheldon and Slack 1977, Padilla and others 1981).