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Autor:
Charlotte M. Druschel, Carissa M. Rocheleau, Paul A. Romitti, Wayne T. Sanderson, Stacey Hockett Sherlock, Erin M. Bell
Publikováno v:
BMC Public Health, Vol 12, Iss 1, p 579 (2012)
BMC Public Health
BMC Public Health
Background Many epidemiological and public health surveys report increasing difficulty obtaining high participation rates. We conducted a pilot follow-up study to determine whether a mailed or telephone survey would better facilitate data collection