The 60 metres is a common indoor event and it is an indoor world championship event. Less common events include the 50 metres, 55 metres, 300 metres, and 500 metres which are used in some high school and collegiate competitions in the United States.
Hairy cell leukemia (HCL) Is a type of blood cancer that begins in the bone marrow Is a rare type of leukemia in adults Hairy cell leukemia gets its name from the short, thin projections that look like hair on its cells.
There are two big categories of leukemias: acute leukemias and chronic leukemias. The acute leukemias are divided into acute myeloid leukemia and acute lymphoblastic leukemia; the chronic leukemias are divided into chronic myeloproliferative disorders and chronic lymphoproliferative disorders.