1. Maternal position, labour and comfort;Andrews;Applied Nursing Research,1990
2. A randomized trial of the effects of ambulation on active labor;Bloom;American Journal of Obstetrics and Gynecology,1998
3. Lack of effect of walking on labor and delivery;Bloom;New England Journal of Medicine,1998
4. Does walking enhance labor progress?;Goer;Birth,1999
5. The effect of ambulation in labour on maternal satisfaction, analgesia and lactation;Broadhurst,1979