1. De Heus R, Mulder EJ, Visser HA. Management of preterm labor: atosiban or nifedipine? Int J Womens Health 2010; 2: 137-142. [
DOI:10.2147/IJWH.S7219]
2. Swingle HM, Colaizy TT, Zimmerman MB, Morriss FH. Abortion and the risk of subsequent preterm birth: a systematic review with meta-analyses. J Reprod Med 2009; 54: 95-108.
3. Dolan SM, Gross SG, Merkatz IR, Faber V, Sullivan LM, et.al. The contribution of birth defects to preterm birth and low birth weight. Obstet Gynecol 2007; 110: 318-324. [
DOI:10.1097/01.AOG.0000275264.78506.63]
4. Berkman ND, Thorp JM, Lohr KN, Carey TS, Hartmann KE, et al. Tocolytic treatment for the management of preterm labor: A review of the evidence. Am J Obstet Gynecol 2003; 188: 1648-1659. [
DOI:10.1067/mob.2003.356]
5. Yasuyuki K, Sameshima H, Ikenoue T, Yasuhi I, Kawarabayashi T. Magnesium sulfate as a second-line tocolytic agent for preterm labor: A randomized controlled trial in Kyushu Island. J Pregnancy 2011; 2011: 1-6.
6. Mercer BM, Merlino AA. Magnesium sulfate for preterm labor and preterm birth. Obstet Gynecol 2009; 114: 650-668. [
DOI:10.1097/AOG.0b013e3181b48336]
7. Grimes DA, Kavita Nanda K. Magnesium sulfate tocolysis time to quit. Obstet Gynecol 2006; 108: 986-989. [
DOI:10.1097/01.AOG.0000236445.18265.93]
8. King J, Flenady V, Papatsonis DNM, Dekker GA, Carbonne B. Calcium channel blockers for inhibiting preterm labour; a systematic review of the evidence and a protocol for administration of nifedipine. Aust N Z J Obstet Gynaecol 2003; 43: 192-198. [
DOI:10.1046/j.0004-8666.2003.00074.x]
9. Papatsonis DNM, Kok JH, van Geijn HP, Bleker OP, Ader HJ, Dekker GA. Neonatal effects of nifedipine and ritodrine for preterm labor. Obstet Gynecol 2000; 95: 477-481.
10. Conde-Agudelo A, Roberto Romero R, Juan Pedro Kusanovic JP. Nifedipine in the management of preterm labor: a systematic review and metaanalysis. Am J Obstet Gynecol 2011; 204: 1-20. [
DOI:10.1016/j.ajog.2010.11.038]
11. Lyell DJ, Pullen K, Campbell L, Ching S, Druzin ML, Chitkara U, et al. Magnesium sulfate compared with nifedipine for acute tocolysis of preterm labor: A randomized controlled trial. Obstet Gynecol 2007; 110: 61-67. [
DOI:10.1097/01.AOG.0000269048.06634.35]
12. Goldenberg RL. The management of preterm labor. Obstet Gynecol 2002; 100: 1020-1037.
13. Taherian AA, Dehdar P. Comparison of efficacy and safety of nifedipine versus magnesium sulfate in treatment of preterm labor. J Reprod Med Sci 2007; 12: 136-142.
14. Kim JH, Ahn KH, Kim JY, Jeong YJ, Cho SN. A comparison for efficacy and safety of magnesium sulfate (Magrose), ritodrine hydrochloride (Yutopar) and nifedipine (Adalat) in the management of preterm labor. Korean J Obstet Gynecol 2001; 44: 1165-1170.
15. Larmon JE, Ross BS, May WL, Dickerson GA, Fischer RG, Morrison JC. Oral nicardipine versus intravenous magnesium sulfate for the treatment of preterm labor. Am J Obstet Gynecol 1999; 181: 1432-1437. [
DOI:10.1016/S0002-9378(99)70388-1]
16. Lindow SW, Davies N, Davey DA, Smith JA. The effect of sublingual nifedipine on uteroplacental bloodflow in hypertensive pregnancy. Br J Obstet Gynaecol 1988; 95: 1276-1281. [
DOI:10.1111/j.1471-0528.1988.tb06818.x]
17. Pirhonen JP, Erkkola RU, Ekblad UU, Myman L. Single dose of nifedipine in normotensive pregnancy: Nifedipine concentration, hemodynamic responses and uterine and fetal flow velocity wave forms. Obstet Gynecol 1990; 76: 807-811. [
DOI:10.1097/00006250-199011000-00016]