The requirement for prior consent to participate on survey response rates : a population-based survey in Grampian
Citation
Angus , V C , Entwistle , V A , Emslie , M J , Walker , K A & Andrew , J E 2003 , ' The requirement for prior consent to participate on survey response rates : a population-based survey in Grampian ' , BMC Health Services Research , vol. 3 , 21 . https://doi.org/10.1186/1472-6963-3-21