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.
Causes. A low white blood cell count usually is caused by one of the following: 1  Viral infections that temporarily disrupt bone marrow function. 2  Congenital disorders characterized by diminished bone marrow function. 3  Cancer or other diseases that damage bone marrow.auses. A low white blood cell count usually is caused by one of the following: 1  Viral infections that temporarily disrupt bone marrow function. 2  Congenital disorders characterized by diminished bone marrow function. 3  Cancer or other diseases that damage bone marrow.