@misc{indiciae1b25bbf6ddc8,
  title = {[CHANGES IN THE BIRTH AND CONCEPTION FREQUENCY DURING CHANGING TIMES].},
  author = {W MAIER},
  year = {1964},
  doi = {10.1007/bf00673196},
  url = {https://pubmed.ncbi.nlm.nih.gov/14339626/},
  note = {Source identifier: 14339626}
}