@article{9194b6a18d2c4d8c92775f09ed934d48,
title = "Opioids and rheumatic disease pain: Comment on the article by Ytterberg et al [6] (multiple letters)",
author = "Gelfand, \{S. G.\} and Mahowald, \{M. L.\}",
note = "Copyright: Copyright 2007 Elsevier B.V., All rights reserved.",
year = "1999",
doi = "10.1002/1529-0131(199904)42:4<830::AID-ANR40>3.0.CO;2-6",
language = "English (US)",
volume = "42",
pages = "830--831",
journal = "Arthritis and Rheumatism",
issn = "0004-3591",
publisher = "John Wiley \& Sons Inc.",
number = "4",
}