@article{anawalt_braunstein_matsumoto_2011, 
  title={Ginecomastia}, 
  volume={96}, 
  DOI={10.1210/jcem.96.1.9998}, 
  publisher={The Endocrine Society}, 
  author={Anawalt and Braunstein and Matsumoto}, 
  year={2011}
  }