A web service differs from a web site in that a web service provides information consumable by software rather than humans. As a result, we are usually talking about exposed JSON, XML, or SOAP services. Web services are a key component in mashups.
Neutropenia is an abnormally low number of neutrophils (a type of white blood cell) in the blood. Neutropenia, if severe, significantly increases the risk of life-threatening infection. Neutropenia is often a side effect of the treatment of cancer with chemotherapy or radiation therapy.
A low white blood cell count usually is caused by: 1  Viral infections that temporarily disrupt the work of bone marrow. 2  Certain disorders present at birth (congenital) that involve diminished bone marrow function. 3  Cancer (or other diseases that damage bone marrow) 4  Autoimmune disorders that destroy white blood cells or bone marrow cells.