1. Handbook of Pain Management: a Clinical Companion to Wall and Melzack's Textbook of Pain;Melzack,2003
2. Yadegar. The relative of the selected delivery method in the pregnant women referring to the medical center of Isfahan;Aram;Isfahan Uni Med. Sci.,2002
3. Nonpharmacologic labor analgesia;Arendt;Clin. Perinatology,2013
4. Abnormal Labor;Cunningham,2010
5. Women's use of complementary and alternative medicine during pregnancy: a critical review of the literature;Adams;Birth,2009