@misc{sloan_spicer_2014, 
  title={Faculty of 1000 evaluation for Maternal positive affect over the course of pregnancy is associated with the length of gestation and reduced risk of preterm delivery.}, 
  DOI={10.3410/f.718222972.793489128}, 
  publisher={Faculty of 1000, Ltd.}, 
  author={Sloan and Spicer}, 
  year={2014}, 
  month={Jan}
  }