Amal S. Al-Seraihy, Tarek M. Owaidah, Mouhab Ayas, Hassan El-Solh, Mohammed Al-Mahr, Ali Al-Ahmari, Asim F. Belgaumi. Clinical characteristics and outcome of children with biphenotypic acute leukemia. Haematologica 2009;94(12):1682-1690; https://doi.org/10.3324/haematol.2009.009282.