Background Carbon monoxide( co)is a colorless odorless gas produced by incomplete combustion of carbonaceous material CO is formed as a by-product of burning organic compounds
What is rA? Y RA is a chronic polyarticular inf lammatory arthritis that involves not only small joints of the hands and feet but also systemic organs Y Pathologic change: chronic synovitis with pannus (IfL
Concept of leukemia Definition aIt is the results of the tumor proliferation of heamotopoietic stem cells.(造血干细 胞) Leukemia is a malignant blood disorder. (not solid tumor) Date xie Yi, Hua Shan Hospital