@article{shearer_purvis_jenkin_haynes_1972, 
  title={PERIPHERAL PLASMA PROGESTERONE AND OESTRADIOL-17  LEVELS BEFORE AND AFTER PUBERTY IN GILTS}, 
  volume={30}, 
  DOI={10.1530/jrf.0.0300347}, 
  publisher={Bioscientifica}, 
  author={SHEARER and PURVIS and JENKIN and HAYNES}, 
  year={1972}, 
  month={Sep}
  }