@misc{indiciae7c204325d13d,
  title = {Colonic mucus in human fetal development.},
  author = {S J Urbanski and M E Levine and P Borgs and W R Bruce and J J Krepinsky},
  year = {1983},
  url = {https://pubmed.ncbi.nlm.nih.gov/6687942/},
  note = {Source identifier: 6687942}
}