@article{ko_le_kim_2016, 
  title={Effects of Yoga on Dysmenorrhea: A Systematic Review of Randomized Controlled Trials}, 
  volume={05}, 
  DOI={10.4172/2327-5162.1000226}, 
  number={04}, 
  publisher={OMICS Publishing Group}, 
  author={Ko and Le and Kim}, 
  year={2016}
  }