547,918 ANNUAL Annual Meeting of the American Academy for Cerebral Palsy and Developmental Medicine, 1988 : [abstracts 1988] / Leon Root ; [aut. Abraham Edward et al.]. - [London : Mac Keith Press, 1988]. - [2], 50 s. ; 25 cm (Developmental Medicine and Child Neurology ; vol. 30, nr 5, suppl.57)