@article{JRIArticle389, title={Perceived Environmental Stressors and Pain Perception During Labor Among Primiparous and Multiparous Women}, author={Pirdel, Manizheh and Pirdel, Leila and}, journal={Journal of Reproduction \& Infertility}, volume={10}, number={3}, pages={217}, year={2009}, publisher={Avicenna Research Institute} }