In animal experiment , GCR of spleen lymphocytic cell was also measured in 18 aged rats and 9 young rats .
in animal experiment , gcr of spleen lymphocytic cell was also measured in 18 aged rats and 9 young rats .
O B-other_name I-other_name O B-protein_family_or_group O B-tissue O O O O O O O B-multi_cell I-multi_cell O O B-multi_cell I-multi_cell O