@article{blackwell2015helminth,
  author = {Blackwell, Aaron D. and Tamayo, Marilyne A. and Beheim, Bret and Trumble, Benjamin C. and Stieglitz, Jonathan and Hooper, Paul L. and Martin, Melanie and Kaplan, Hillard and Gurven, Michael},
  title = {Helminth infection, fecundity, and age of first pregnancy in women},
  journal = {Science},
  year = {2015},
  volume = {350},
  number = {6263},
  pages = {970--972},
  doi = {10.1126/science.aac7902}
}