ARVO - Association for Research in Vision and Ophthalmology
Bio Links - University of Oxford maintains a long list of links
Biology Links (in Dutch) - popular biology
Biophysical Society - USA
Biosciences - Physiology and Biophysics links
Clinical Engineering links, maintained by the Clin. Eng. Ass. of South Africa
EAMBES - European Alliance for Medical and Biological Engineering & Sciences
EBSA - European Biophysical Societies Association
ESEM - the European Society for Engineering and Medicine
FASEB - Federation of American Societies for Experimental Biology
IFMBE - International Federation for Medical and Biological Engineering
IOMP - International Organization for Medical Physics
IUPESM - International Union for Physical and Engineering Sciences in Medicine
International Biophysical Society Links
International Bioengineering Society Links
NIBI - Nederlands Instituut voor Biologie