@article{132401,
  author     = {Thomas, Northcote Whitridge},
  journal    = {Man: a record of anthropological science},
  pages      = {140 (art. 185)},
  title      = {Twins in the Yoruba country},
  volume     = {21},
  year       = {1921},
  inlg       = {English [eng]},
  keywords   = {;waf;nga;ant;t.911;},
  lgcode     = {Yoruba [yor] (autotranslated from Maho's coding system)},
  macro_area = {Africa},
  src        = {eballiso2009}
}