@misc{10318,
  author = {del Melero-Montes and H. Jick},
  title = {Hyperemesis Gravidarum and the Sex of the Offspring},
  year = {2000},
  journal = {Epidemiology},
  volume = {12},
  number = {1},
  pages = {123-124},
  issn = {1044-3983},
}