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Smith, Valerie, Deirdre Daly, Ingela Lundgren, Tine Eri, Cecily Begley, Mechthild M. Gross, Soo Downe, Zarko Alfirevic, och Declan Devane. "Protocol for the Development of a Salutogenic Intrapartum Core Outcome Set (SIPCOS)." BMC Med Res Methodol 2017.

Smith, Valerie, et al. "Protocol for the Development of a Salutogenic Intrapartum Core Outcome Set (SIPCOS)." BMC Med Res Methodol 2017.