1. Opistotonus in early infancy: a major sign with various etiologies;Amiel-Tison,1986
2. Components of Normal Movement During the First Year of Life and Abnormal Development;Bly,1983
3. Bayley Scales of Infant Development;Bayley,1969
4. Motor Development in Different Types of Cerebral Palsy;Bobath,1975
5. Neuromotor development of graduates of the neonatal intensive care unit: patterns encountered in the first two years of life;Coolman;Dev. Behav. Pediatr.,1985