tokens: We developed a heterologous system to analyze the contribution of these alterations to the induction of primary erythroblast transformation .
folded_tokens: we developed a heterologous system to analyze the contribution of these alterations to the induction of primary erythroblast transformation .
labels: O O O O O O O O O O O O O O O O B-other_name I-other_name I-other_name O