Surveillance of cerebral palsy in Europe: a collaboration of cerebral palsy surveys and registers.
Surveillance of Cerebral Palsy in Europe. Developmental medicine and child neurology. 2000 Dec;42(12):816-24
Pubmed The summary of this study can be found in Pubmed, a database of citations from biomedical journals. http://www.ncbi.nlm.nih.gov/pubmed/11132255