Journal of Pain and Symptom ManagementVolume 15, Issue 5, May 1998, Pages 263-264CorrespondenceAuthor links open overlay panelShow moreShareCitehttps://doi.org/10.1016/S0885-3924(98)00010-4Get rights and contentUnder an Elsevier user licenseopen archivePrevious article in issueNext article in issueRecommended articlesCited by (0)Copyright © 1998 Published by Elsevier Inc.