PEDIATRICS Vol. 119 No. 1 January 2007, pp. e53-e60
The Use of the World Wide Web by Medical Journals in 2003 and 2005: An Observational Study
…We have found that the WWW is playing an increasing role in journal operations and journal publication. This trend is likely to continue with a greater presence of Web-only journals and Web-only supplements to print journal articles. It remains to be seen whether journals and their readers will harness the interactive capabilities of the WWW.
Thanks to Hope Leman for pointing out the article to me.