The LancetVolume 99, Issue 2525, 20 January 1872, Pages 99-102Notes, Short Comments, and Answers to Correspondents.Author links open overlay panelShow moreShareCitehttps://doi.org/10.1016/S0140-6736(02)63937-6Get rights and contentRecommended articlesReferences (0)Cited by (0)View full textCopyright © 1872 Published by Elsevier Ltd.