Dodd, J M Oral betamimetics for maintenance therapy after threatened preterm labour. [electronic resource] - The Cochrane database of systematic reviews Jan 2006 - CD003927 p. digital Publication Type: Journal Article; Meta-Analysis; Review; Systematic Review ISSN: 1469-493X Standard No.: 10.1002/14651858.CD003927.pub2 doi Subjects--Topical Terms: Administration, OralAdrenergic beta-Agonists--administration & dosageFemaleHumansIndomethacin--administration & dosageObstetric Labor, Premature--drug therapyPregnancyRandomized Controlled Trials as TopicTocolytic Agents--administration & dosage