1Liggins GC, Howie RN. A controlled trial of antepartum glucocorticoid treatment for prevention of the respiratory distress syndrome in premature infants[ J ]. Pediatrics, 1972,50: 515-25.
2Planer BC, Ballard RA, Banard PL, et al. Antenatal corticosteroid (ANCS) use in preterm labor in the USA[ abstract ] [ J ].Pediatr Res, 1996, 39: 110A.
3Soraya Abbasi, Daniel Hirsch, Jonathan Davis, et al. Effect of single versus multiple courses of antenatal corticosteroids on maternal and neonatal outcome[J]. Am J Obstet Gynecol, 2000,182:1243-9.
4Beverly A. Banks, Avital Cnaan, Mark A. Morgan, et al.Multiple courses of antenatal corticosteroids and outcome of premature neonates[J]. Am J Obstet Gynecol, 1999, 181:709-17.
