?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Assessment+of+Metabolic+Parameters+For+Autism+Spectrum+Disorders&rft.creator=Rao%2C+Mr+AN&rft.creator=Koch%2C+M&rft.creator=Suresh+Kumar%2C+V&rft.creator=Ghosh%2C+S&rft.creator=Shobha%2C+G&rft.subject=Online+Journal+of+Health+and+Allied+Sciences&rft.description=Autism+is+a+brain+development+disorder+that+first+appears+during+infancy+or+childhood%2C+and+generally+follows+a+steady+course+without+remission.+Impairments+result+from+maturation-related+changes+in+various+systems+of+the+brain.+Autism+is+one+of+the+five+pervasive+developmental+disorders+(PDD)%2C+which+are+characterized+by+widespread+abnormalities+of+social+interactions+and+communication%2C+and+severely+restricted+interests+and+highly+repetitive+behavior.+The+reported+incidence+of+autism+spectrum+disorders+(ASDs)+has+increased+markedly+over+the+past+decade.+The+Centre+for+Disease+Control+and+Prevention+has+recently+estimated+the+prevalence+of+ASDs+in+the+United+States+at+approximately+5.6+per+1000+(1+of+155+to+1+of+160)+children.+Several+metabolic+defects%2C+such+as+phenylketonuria%2C+are+associated+with+autistic+symptoms.+In+deciding+upon+the+appropriate+evaluation+scheme+a+clinician+must+consider+a+host+of+different+factors.+The+guidelines+in+this+article+have+been+developed+to+assist+the+clinician+in+the+consideration+of+these+factors.&rft.publisher=Dr.+BS+Kakkilaya&rft.contributor=Kakkilaya%2C+Dr+Srinivas&rft.date=2009-05-05&rft.type=Journal+(On-line%2FUnpaginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F6556%2F1%2F2009-1-1.pdf&rft.identifier=++Rao%2C+Mr+AN+and+Koch%2C+M+and+Suresh+Kumar%2C+V+and+Ghosh%2C+S+and+Shobha%2C+G++(2009)+Assessment+of+Metabolic+Parameters+For+Autism+Spectrum+Disorders.++%5BJournal+(On-line%2FUnpaginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F6556%2F