-
Diaz AG, Schwarcz R, Fescina R, Caldeyro-Barcia R: Vertical position during the first stage of the course of labor, and neonatal outcome.
Eur J Obstet Gynecol Reprod Biol 1980, 11(1):1-7.
-
Flynn AM, Kelly J, Hollins G, Lynch PF: Ambulation in labour.
Br Med J 1978, 2(6137):591-593.
-
Abitbol MM: Supine position in labor and associated fetal heart rate changes.
Obstet Gynecol 1985, 65(4):481-486.
-
Caldeyro-Barcia R, Noriega-Guerra L, Cibils LA, Alvarez H, Poseiro JJ, Pose SV, et al.: Effect of position changes in theintensity and frequency of uterine contractions during labor.
Am J Obstet Gynecol 1960, 80(2):284-290.
-
Simkin PP, O'hara M: Nonpharmacologic relief of pain during labor: systematic reviews of five methods.
Am J Obstet Gynecol 2002, 186(5 Suppl Nature):S131-159.
-
Higgins JP, Green S: Cochrane Handbook for Systematic Reviews of Interventions 4.2.5 [updated May 2005]. In The Cochrane Library. Chichester, UK: John Wiley & Sons, Ltd; 2005.
-
Higgins JP, Thompson SG, Deeks JJ, Altman DG: Measuringinconsistency in meta-analysis.
BMJ 2003, 327(7414):557-560.
-
McManus TJ, Calder AA: Upright posture and the efficiency of labour.
Lancet 1978, 1(8055):72-74.
-
Read JA, Miller FC, Paul RH: Randomized trial of ambulation versus oxytocin for labor enhancement: a preliminary report.
Am J Obstet Gynecol 1980, 139(6):669-672.
-
Hemminki E, Saarikoski S: Ambulation and delayed amniotomy in the first stage of labor.
Eur J Obstet Gynecol Reprod Biol 1983, 15(3):129-139.
-
Hemminki E, Lenck M, Saarikoski S, Henriksson L: Ambulation versus oxytocin in protracted labour: a pilot study.
Eur J Obstet Gynecol Reprod Biol 1985, 20(4):199-208.
-
Andrews CM, Chrzanowski M: Maternal position, labor and comfort.
Appl Nurs Res 1990, 3(1):7-13.
-
Allahbadia GN, Vaidya PR: Why deliver in the supine position?
Aust N Z J Obstet Gynaecol 1992, 32(2):104-106.
-
Bloom SL, McIntire DD, Kelly MA, Beimer HL, Burpo RH, Garcia MA, Leveno KJ: Lack of effect of walking on labor and delivery.
N Engl J Med 1998, 339(2):76-79.
-
Miquelutti MA, Cecatti JG, Makuch MY: Upright position during the first stage of labor: a randomized controlled trial.
Acta Obstet Gynaecol Scand, in press.
-
Liu YC: Effects of an upright position during labor.
Am J Nurs 1974, 74(12):2202-2205.
-
Mendez-Bauer C, Arroyo J, Garcia Ramos C, Menendez A, Lavilla M, Izquierdo F, Villa Elizaga I, Zamarriego J: Effects of standing position on spontaneous uterine contractility and other aspects of labor.
J Perinat Med 1975, 3(2):89-100.
-
Williams RM, Thom MH, Studd JW: A study of the benefits and acceptability of ambulation in spontaneous labour.
Br J Obstet Gynecol 1980, 87(2):122-126.
-
Roberts JE, Mendez-Bauer C, Blackwell J, Carpenter ME, Marchese T: Effects of lateral recumbency and sitting on the first stage of labor.
J Reprod Med 1984, 29(7):477-481.
-
Stewart P, Calder AA: Posture in labour: patients' choice and its effect on performance.
Br J Obstet Gynaecol 1984, 91(11):1091-1095.
-
Albers LL, Anderson D, Cragin L, Daniels SM, Hunter C, Sedler KD, Teaf D: The relationship of ambulation in labor to operative delivery.
J Nurse Midwifery 1997, 42(1):4-8.
-
Adachi K, Shimada M, Usui A: The relationship between the parturient's positions and perceptions of labor pain intensity.
Nurs Res 2003, 52(1):47-51.
-
Ragnar I, Altman D, Tyden T, Olsson SE: Comparison of the maternal experience and duration of labour in two upright delivery positions – a randomized controlled trial.
BJOG 2006, 113(2):165-170.
-
Fraser WD, Turcot L, Krauss I, Brisson-Carrol G: Amniotomy for shortening spontaneous labour (Cochrane Review). In The Cochrane Library. Chichester, UK: John Wiley & Sons, Ltd; 2003.
-
Sterne JA, Gavaghan D, Egger M: Publication and related bias in meta-analysis: power of statistical tests and prevalence in the literature.
J Clin Epidemiol 2000, 53(11):1119-1129.