Developmental Dysplasia of the Hip. Up To Date Online
http://www.uptodate.com/online/content/topic.do?topicKey=ped_orth/4640&selectedTitle=1%7E23&source=search_result
"Screening for Developmental Dysplasia of the Hip: Recommendation Statement -- US Preventive Services Task Force 117 (3): 898 Pediatrics." AAP - Journal of the American Academy of Pediatrics. Web. Access 2/3/09. <http://pediatrics.aappublications.org/cgi/content/extract/117/3/898>.: