American Journal of Preventive MedicineVolume 14, Issue 4, May 1998, Pages 354-355DiscussionAuthor links open overlay panelShow moreShareCitehttps://doi.org/10.1016/S0749-3797(98)00016-6Get rights and contentRecommended articlesReferences (0)Cited by (0)View full textCopyright © 1998 Published by Elsevier Inc.