[Report of odontoid aplasias; 3 cases of densaplasia].
D001203:Ascomycota; D001368:Axis, Cervical Vertebra / Q000002:abnormalities*; D001270:Cervical Atlas / Q000002:abnormalities*; D006801:Humans
ATLAS AND AXIS/abnormalities
A propos des aplasies de l'odontoide; trois cas de densaplasie.