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Penny J Furness*, Kerry McSeveny, Madelynne A Arden, Carolyn Garland, Andy M Dearden and Hora Soltani
* Corresponding author: Penny J Furness p.j.furness@shu.ac.uk
BMC Pregnancy and Childbirth 2011, 11:69 doi:10.1186/1471-2393-11-69