Effects of thalassemia and microcytosis on the hematologic and vasoocclusive severity of sickle cell anemia. - Steinberg,M.H.; Rosenstock,W.; Coleman,M.B.; Adams,J.G.; Platica,O.; Cedeno,M.; Rieder,R.F.; Wilson,J.T.; Milner,P.; West,S. (Blood, 1984)