Head, D R.(1989). Pathogenetic implications of internuclear bridging in myelodysplastic syndrome. An eastern cooperative oncology group/southwest oncology group cooperative study. Cancer, 64(11), 2199-2202. doi:10.1002/1097-0142(19891201)64:11<2199::aid-cncr2820641102>3.0.co;2-3

Head, David R. "Pathogenetic Implications of Internuclear Bridging in Myelodysplastic Syndrome. An Eastern Cooperative Oncology Group/southwest Oncology Group Cooperative Study". Cancer, 64.11 ( 1989 ): 2199-2202.