Acquired Bleeding Disorders 
An article by Thomas G. DeLoughery, Associate Professor of Medicine. Platelet transfusion therapy and dysfunctional platelets are discussed.
http://www.ohsu.edu/som-hemonc/handouts/deloughery/bleed.shtmlMedlinePlus: Thrombocytopenia 
Features information on this disorder and its causes, incidence and risk factors.
http://www.nlm.nih.gov/medlineplus/ency/article/000586.htm
Platelet Disorder Support Association 
Information and support for those with immune thrombocytopenic purpura and other low platelet disorders
http://www.pdsa.org
Idiopathic Thrombocytopenic Purpura 
ITP: A look at what these words actually mean, what he causes are, who gets it, diagnosis, how it affects children and adults and pregnant women.
http://familydoctor.org/113.xml
Immune Thrombocytopenic Purpura 
What it is, symptoms of ITP, diagnosis, acute and chronic forms and treatment.
http://www.nhlbi.nih.gov/health/dci/Diseases/Itp/ITP_WhatIs.html
Adult Chronic Immune Thrombocytopenic Purpura 
A guide for patients. A description of this disease followed by an in depth look.
http://www.scripps.edu/itp/