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Dyfyniad Arddull ChicagoMonitoring Emergency Obstetric Care: A Handbook. Switzerland: World Health Organization, 2009.
Dyfyniad MLAMonitoring Emergency Obstetric Care: A Handbook. Switzerland: World Health Organization, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.