title: ras p21 expression in the progression of breast cancer.
mesh_terms: D000911:Antibodies, Monoclonal; D001943:Breast Neoplasms / Q000032:analysis*; D005260:Female; D006801:Humans; D011518:Proto-Oncogene Proteins / Q000032:analysis*; D016283:Proto-Oncogene Proteins p21(ras)
chemical_list: D000911:Antibodies, Monoclonal; D011518:Proto-Oncogene Proteins; C501009:HRAS protein, human; D016283:Proto-Oncogene Proteins p21(ras)