<http://schema.org/description>
"Inhaled pain relief appears to be effective in reducing pain intensity and in giving pain relief in the first stage of labour, say Cochrane researchers. These conclusions came from a systematic review that drew data from twenty-six separate studies that involved a total of 2,959 women, and are published in The Cochrane Library."^^<http://www.w3.org/2001/XMLSchema#string>
<http://medicalxpress.com/news/2012-09-inhaled-pain-relief-early-labor.html>