[Malformations of the spinal cul-de-sac. Attempt at classification].
D003560:Cysts / Q000145:classification*; D006801:Humans; D013115:Spinal Canal / Q000002:abnormalities*; D013122:Spinal Diseases / Q000145:classification*
Les malformations du cul-de-sac spinal. Essai de classification.