@article{1563,
  keywords = {Birth Weight, Congenital Abnormalities, Diseases in Twins, Female, Genetics, Medical, Humans, leprosy, Male, Methods, Pharmaceutical Preparations, Pregnancy, Pregnancy, Multiple, Twins},
  author = {Propping P and Vogel F},
  title = {Twin studies in medical genetics.},
  year = {1976},
  journal = {Acta geneticae medicae et gemellologiae},
  volume = {25},
  pages = {249-58},
  month = {1976},
  issn = {0001-5660},
  doi = {10.1017/s0001566000014215},
  language = {eng},
}