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. Author manuscript; available in PMC: 2016 Apr 20.
Published in final edited form as: Cochrane Database Syst Rev. 2015 Apr 15;4:CD009660. doi: 10.1002/14651858.CD009660.pub3
Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1 Child Symptoms 2 96 Std. Mean Difference (IV, Random, 95% CI) −0.02 [−0.43, 0.38]