Chronic myeloid leukemia (CML) is a rare type of blood cancer and occurs when the bone marrow makes too many of one type of white blood cell, called myeloid cells. Almost all CML cases are caused by an abnormal chromosome called the Philadelphia chromosome.
These are new 18X24 Quality Picture Mats. The Openings are Bevel cut 12.5 x 18.5 to fit a 13X19 photo or print. These mats are cut from Quality white core mat board and are excellent for framing photos or prints.
In the US, these come in two sizes: for letter-size paper and legal-size paper. Most modern commercially-oriented vertical filing cabinets in the US are manufactured in two-, three-, four-, and five-drawer versions in depths of 25, 26Â½, and 28 inches.