National Health Information's Managed Care Library 
Publisher of specialized, targeted information for health care executives on a variety of topics, from capitation to disease management.
http://www.nhionline.net/MD net guide 
Integrates both electronic and print media to provide physicians with access to online medical content. Offers a biweekly eNewsletter, several message-board forums, and resources of links on medical topics.
http://www.mdnetguide.com
Institute for Health Freedom 
Online Health Freedom news and publications.
http://www.forhealthfreedom.org/Publications/
The Change Companies 
A series of journals to assist individuals and professionals for guidance in facilitating positive lifestyle changes free from addictions.
http://www.changecompanies.net/
Placebo Journal 
Goal is to bring some humor back into physicians' lives. Sample journal available.
http://placebojournal.com
FreeBooks4Doctors 
A directory of free medical online books.
http://www.freebooks4doctors.com/
NewsRx.net 
Provides health information solutions for business, government, and consumers.
http://www.newsrx.com