Medical Issues and Medical Search Engines
medizin-forum.de   Extensive offer on all issues of medicine
medizin.de German index on medical issues
medivista.de Medical search engine
medline.de Search engine for medical publications
dimdi.de German Institute of Medical Documentation and Information
ddb.de National German Library - Global search with the possibility to order  publications
   
Sleep Medicine
uni-marburg.de German Society of Sleep Medicine and Sleep Research /DGSM)
quietsleep.com Oral appliance therapy for snoring & sleep apnea
   
Obstetrics & Gynecology
gyn.de German language site for gynecologists and their patients
obgyn.net The Universe of Women’s Health
jhuccp.org Extensive IUD-Update of the Johns Hopkins School of Public Health