title: ras gene alterations and enhanced levels of ras p21 expression in a spectrum of benign and malignant human mammary tissues.
mesh_terms: D000483:Alleles; D001940:Breast / Q000032:analysis; D001943:Breast Neoplasms / Q000235:genetics*; D004247:DNA / Q000032:analysis; D005260:Female; D005784:Gene Amplification; D005786:Gene Expression Regulation; D006651:Histocytochemistry; D006801:Humans; D009857:Oncogenes; D011110:Polymorphism, Genetic; D011518:Proto-Oncogene Proteins / Q000032:analysis; D016283:Proto-Oncogene Proteins p21(ras); D012313:RNA / Q000032:analysis; D011863:Radioimmunoassay
chemical_list: D011518:Proto-Oncogene Proteins; D012313:RNA; D004247:DNA; C501009:HRAS protein, human; D016283:Proto-Oncogene Proteins p21(ras)