title: Tracking the motor behavior development of multihandicapped infants.
mesh_terms: D002657:Child Development; D002675:Child, Preschool; D006233:Persons with Disabilities; D006801:Humans; D007223:Infant; D008124:Locomotion; D009048:Motor Skills; D009068:Movement; D011187:Posture; D011594:Psychometrics