Sample intake, laboratory testing, case follow-up and final case classification. Numbers of CSF samples received and processed, and numbers of suspected CJD cases followed up, examined by neuropathology and classified, used to constitute the clinical population on which the study was based. Details of inclusion and classification criteria are explained further in the text.
Coulthart et al. BMC Neurology 2011 11:133 doi:10.1186/1471-2377-11-133