Last updated December, 3 2015 760.408 documents processed, 20.499.313 references and 8.066.571 citations

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Our data says that the document:

Clifford R., ODonnell ; Izaak L., Williams. (2014) Web-based tracking methods in longitudinal studies.
In: Evaluation and Program Planning. RePEc:eee:epplan:v:45:y:2014:i:c:p:82-89.

Full description at Econpapers

cites:

Blumberg, J.S. ; Luke, V.S. Wireless substitution: Early release of estimates from the National Health Interview Survey, January–June 2012. 2012 U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics: Washington, DC

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