tokens: This effect was dependent upon the duration of exposure to L . donovani and was maximal and complete at 16 h .
folded_tokens: this effect was dependent upon the duration of exposure to l . donovani and was maximal and complete at 16 h .
labels: O O O O O O O O O O B-mono_cell I-mono_cell I-mono_cell O O O O O O O O O