Movement Disorder of Premature Infants with Severe Bronchopulmonary Dysplasia:A New Syndrome
Pediatrics 84:215-218, Perlman,J.M.&Volpe,J.J., 1989
Involvement of Upper-Airway Muscles in Extrapyramidal Disorders
NEJM 311:438-442, Vincken,W.G.,et al, 1984