@misc{indiciaedf89d927e4c3,
  title = {Covered cloacal exstrophy: another variation on the theme.},
  author = {J H Johnston and S A Koff},
  year = {1977},
  doi = {10.1016/s0022-5347(17)58145-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/144194/},
  note = {Source identifier: 144194}
}