title: S-phase fraction in node-negative breast cancer.
authors.forename: D E
authors.initials: DE
authors.lastname: Merkel
mesh_terms: D001943:Breast Neoplasms / Q000235:genetics*; D004273:DNA, Neoplasm / Q000032:analysis; D004171:Diploidy; D005260:Female; D005434:Flow Cytometry; D006801:Humans; D008207:Lymphatic Metastasis; D011379:Prognosis; D016196:S Phase / Q000502:physiology*
chemical_list: D004273:DNA, Neoplasm