Maekawa K, Masaki T, Kokubun Y
Dev Med Child Neurol. 1976 Apr;18(2):229-32. doi: 10.1111/j.1469-8749.1976.tb03632.x.
A 24-month-old Japanese girl is reported who had upper spinal-cord injury secondary to fetal hyperextension of the neck in breech presentation. She was first noted to be in this position 10 days before the expected date of birth and was delivered by caesarean section.