@article{e4239273222341a08c161290612a21a6,
title = "Effect on response rates of stamps vs a pre-printed business reply envelope in a mailed follow-up survey among middle-aged Danish men",
keywords = "Cooperative Behavior, Denmark, Health Surveys, Humans, Male, Middle Aged, Postal Service, Surveys and Questionnaires",
author = "Merete Osler and Mette Juhl and Rikke Lund and Andersen, \{Anne-Marie Nybo\} and Margit Kriegbaum and Ulla Christensen",
year = "2009",
month = aug,
language = "English",
volume = "38",
pages = "1156--1157",
journal = "International Journal of Epidemiology",
issn = "0300-5771",
publisher = "Oxford University Press",
number = "4",
}