Clusters of coexpressed genes identified through manipulations of mammary epithelial cells in vitro also showed consistent patterns of variation in expression among breast tumor samples .
clusters of coexpressed genes identified through manipulations of mammary epithelial cells in vitro also showed consistent patterns of variation in expression among breast tumor samples .
O O B-DNA_family_or_group I-DNA_family_or_group O O O O B-cell_type I-cell_type I-cell_type O O O O O O O O O O O B-tissue I-tissue I-tissue O