Ismail Ismail M M Zaghloul Zaghloul A A Abdulateef Abdulateef N N Morsi Morsi H H Membranous expression of pan CD66, CD66a, CD66b, and CD66c and their clinical impact in acute leukemia: cross sectional longitudinal cohort study in Saudi Arabia Membranous expression of pan CD66, CD66a, CD66b, and CD66c and their clinical impact in acute leukemia: cross sectional longitudinal cohort study in Saudi Arabia J Leuk J Leuk 2017 2017 5 5 230 230 9 9. Here, CEACAM1 is linked to acute leukemia.