Here is the CMT Uptime check phrase
PUBLICATIONS

Combining information from two surveys to estimate county-level prevalence rates of cancer risk factors and screening

Raghunathan, Trivellore E; Xie, Dawei; Schenker, Nathaniel; Parsons, Van L; Davis, William W; Dodd, Kevin W; Feuer, Eric J. (2007). Combining information from two surveys to estimate county-level prevalence rates of cancer risk factors and screening. Journal of the American Statistical Association. 102(478), 474-486.