@misc{indiciaef462694f32cb,
  title = {A modification of a continuous time model for first conception.},
  author = {S N Singh and K C Chakrabarty and V K Singh},
  year = {1976},
  url = {https://pubmed.ncbi.nlm.nih.gov/1254076/},
  note = {Source identifier: 1254076}
}