Stability of hCG free beta-subunit and beta-core fragment in urine.

@article{Cole1997StabilityOH,
  title={Stability of hCG free beta-subunit and beta-core fragment in urine.},
  author={Laurence A. Cole},
  journal={Prenatal diagnosis},
  year={1997},
  volume={17 2},
  pages={185-7}
}