Doctor's Guide: Medical Conferences and Meetings (PSI)
http://www.pslgroup.com/dg/haemato.htm
European Thrombosis Research Organization (ETRO)
http://www.j00j.net/etro/links.htm
HANDI
http://www.hemophilia.org/resources/handi.htm
Health Care Information Resources (HCIR)
http://www-hsl.mcmaster.ca/
Hemophilia Federation of America (HFA)
http://hemophiliafed.org/
Hemophilia Research Society of North America (HRSNA)
http://www.uth.tmc.edu/xorgs/hrs/
HIV and Hepatitis
http://www.hivandhepatitis.com/
Human Gene Therapy Center (HGTC)
http://www.med.unc.edu/
Immune Thrombocytopenia Purpura (ITP)
http://www.ultranet.com/~itpsoc/
Medscape
http://www.medscape.com/
National Heart, Lung, and Blood Institute (NHLBI)
http://www.nhlbi.nih.gov/
National Hemophilia Foundation (NHF)
http://www.hemophilia.org
The International Society on Thrombosis and Heamostatis (ISTH)
http://www.med.unc.edu/isth
World Federation of Hemophilia (WFH)
http://www.wfh.org/