Phosphatase and tensin homologue phosphorylation in the C-terminal regulatory domain is frequently observed in acute myeloid leukaemia and associated with poor clinical outcome. - Cheong, June-Won; Eom, Ju In; Maeng, Ho-Young; Lee, Seung Tae; Hahn, Jee Sook; Ko, Yun Woong; Min, Yoo Hong (British Journal of Haematology, 2003)