World Bank Quarterly External Debt Statistics (QEDS). In an effort to facilitate comparison and analysis of countries' external debt positions, the IMF and World Bank launched an online database on November 18, 2004 that offers better access to timely and comparable quarterly external debt statistics for 55 countries.
White blood cell. White blood cells (also called leukocytes or immune cells) are cells which form a component of the blood. They help to defend the body against infectious disease and foreign materials as part of the immune system. There are normally between 4x109 and 11x109 white blood cells in a litre of healthy adult blood - about 7,000 to 25,000 white blood cells per drop.
White blood cells. The white blood cells play a very important part in the immune system as it is the white blood cells which directly fight the bacteria and viruses that infect the body.There are three main types of white blood cell: granulocytes, lymphocytes and monocytes.Granulocytes help to engulf bacteria, fungi and parasites.hite blood cells. The white blood cells play a very important part in the immune system as it is the white blood cells which directly fight the bacteria and viruses that infect the body.