@article{zhu_hamilton_mcnicol_2013,  title={Acupuncture for pain in endometriosis},  volume={131},  ISSN={1516-3180},  url={https://doi.org/10.1590/1516-3180.20131316T1},  DOI={10.1590/1516-3180.20131316T1},  number={6},  journal={Sao Paulo Medical Journal},  publisher={Associação Paulista de Medicina - APM},  author={Zhu, Xiaoshu and Hamilton, Kindreth D. and McNicol, Ewan D.},  year={2013},  pages={439–439} }