Design and Operation of the National Survey of Children with Special Health Care Needs, 2009-2010
http://www.cdc.gov/nchs/data/series/sr_01/sr01_057.pdf
Presents the development, plan, and operation of a survey designed to produce national and state-level estimates of children with special health care needs, the types of services they need, and the quality of services provided. From the National Center for Health Statistics