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.
Leukopenia is a shortage of white blood cells in the system, which can be caused by anemia, menorrhagia, etc. A low white blood cell count, or leukopenia will have a direct effect on your body's immune system. White blood cells are used to fight off infections within the blood stream. Without an adequate number of white blood cells your body will have trouble ridding itself of bacteria or viral matter which can cause disease.
A normal white blood cell count should be between 4,000 and 11,000 leukocytes, any amount lower than that margin indicates a decline that needs to be addressed. The first step is to determine why the white blood cell count is low, a bacterial infection, a virus or conditions such as anaemia are often responsible, but there are other conditions that can lead to this condition. In our article what are the causes of a low white blood cell count you can discover all the diseases that lead to this condition.