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Carol Gautschi, Midwifery Today discussion group on breech, April 23, 2008.

Menticoglou S. (2006). Workshop D: Symphysiotomy in the management of entrapment of the aftercoming head, Breech Birth Conference:  International Perspectives on the Management of Term Breech Pregnancies and Birth, 20-21 March  2006, Vancouver, British Columbia, Canada.