title: [Essential thrombocythemia].
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D001853:Bone Marrow / Q000473:pathology; D002066:Busulfan / Q000627:therapeutic use; D006801:Humans; D008875:Middle Aged; D010974:Platelet Aggregation; D055728:Primary Myelofibrosis / Q000209:etiology; D013920:Thrombocythemia, Essential / Q000097:blood / Q000473:pathology
chemical_list: D002066:Busulfan