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Inclusion of mobile phone numbers into an ongoing population health survey in New South Wales, Australia: design, methods, call outcomes, costs and sample representativeness
Margo L Barr,Jason J van Ritten,David G Steel…Volume:
12
Language:
english
Journal:
BMC Medical Research Methodology
DOI:
10.1186/1471-2288-12-177
Date:
December, 2012
File:
PDF, 181 KB
english, 2012