@article{ae6e5bc367b74e15b05511e273439b72,
title = "Encouraging GPs to complete postal questionnaires-one big prize or many small prizes? A randomized controlled trial.",
keywords = "MEDICINE, GENERAL \& INTERNAL",
author = "C.E. Thomson and S. Paterson-Brown and D. Russell and D. McCaldin and I.T. Russell",
year = "2004",
month = dec,
day = "1",
doi = "10.1093/fampra/cmh620",
language = "English",
volume = "21",
pages = "697--698",
journal = "Family Practice",
issn = "0263-2136",
publisher = "Oxford University Press",
number = "6",
}