APA format 1 and half  3peer review reference 3 from Walden University Library
 
Heparin Induced Thrombocytopenia 
When an individual has a platelet count less than 150,000 platelets/uL, he or she is considered to have thrombocytopenia. This condition can occur because of genetic predispositions or can be acquired. When thrombocytopenia is seen due to congenital origin, the underlying disease could be TAR syndrome, Wiskott Aldrich syndrome, or a gene mutation. Acquired thrombocytopenia is usually seen in relation to viral infections, mediation use, a nutrient deficiency, , renal failure, or radiation therapy, or cancer (Huether