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[3]
Mendez-Bauer, Arroyo, Garcia-Ramos, Et al., Effects of standing position on spontaneous uterine contractility and other aspects of labor, Journal of Perinatal Medicine, 3, pp. 89-100, (1975)
[4]
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McManus, Calder, Upright posture and the efficiency of labour, Lancet, 1, pp. 72-74, (1978)
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Stewart, Calder, Posture in labor: patient's choice and its effect on performance, Br J Obstet Gynaecol, 91, pp. 1091-1095, (1984)
[7]
Williams, Thom, Studd, A study of the benefits and acceptability of ambulation in spontaneous labour, Br J Obstet Gynaecol, 87, pp. 122-126, (1980)
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Roberts, Wodell, The effects of maternal position on uterine contractility and efficiency, Birth, 10, pp. 243-249, (1983)
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Roberts, Malasanos, Mendez-Bauer, Maternal positions in labor: analysis in relation to comfort and efficiency, Birth Defects: Original Article Scries, 17, pp. 97-128, (1981)
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