tokens: Recent studies show that human osteoclasts develop in vitro from hematopoietic cells ; however , special cultures conditions and/or cytokine mobilized peripheral blood are apparently required .
folded_tokens: recent studies show that human osteoclasts develop in vitro from hematopoietic cells ; however , special cultures conditions and/or cytokine mobilized peripheral blood are apparently required .
labels: O O O O B-cell_type I-cell_type O O O O B-cell_type I-cell_type O O O O O O O B-tissue I-tissue I-tissue I-tissue O O O O