@misc{indiciae67bd4a407bd7,
  title = {[Methods for determining the population's demand for eyeglass optical items].},
  author = {P G Makarov and O M Novikov and I F Romanov},
  year = {1970},
  url = {https://pubmed.ncbi.nlm.nih.gov/5447291/},
  note = {Source identifier: 5447291}
}