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2. Role of manual fetal stimulation during fetal monitoring in labor trialsearch.who.int/Trial2.aspx?TrialID=CTRI/2014/07/004774
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4. A clinical trial to study use of fetal scalp stimulation test in management of fetal distress during labour trialsearch.who.int/Trial2.aspx?TrialID=CTRI/2009/091/000030
5. Comparing second-line tests in labour to assess fetal well-being trialsearch.who.int/Trial2.aspx?TrialID=ISRCTN13295826