@misc{indiciaecf9409877467,
  title = {Rubella seroconversion following immunization in a rural practice.},
  author = {J C Hough and R B Walker and J W Brough},
  year = {1979},
  url = {https://pubmed.ncbi.nlm.nih.gov/479785/},
  note = {Source identifier: 479785}
}