title: The oestrogen receptor-negative/progesterone receptor-positive breast tumour: a biological entity or a technical artefact?
authors.forename: A
authors.initials: A
authors.lastname: Rhodes
authors.forename: B
authors.initials: B
authors.lastname: Jasani
mesh_terms: D000328:Adult; D000368:Aged; D016477:Artifacts; D014408:Biomarkers, Tumor / Q000378:metabolism*; D001943:Breast Neoplasms / Q000378:metabolism*; D005260:Female; D006801:Humans; D008875:Middle Aged; D009363:Neoplasm Proteins / Q000378:metabolism; D011960:Receptors, Estrogen / Q000378:metabolism*; D011980:Receptors, Progesterone / Q000378:metabolism*; D055815:Young Adult
chemical_list: D014408:Biomarkers, Tumor; D009363:Neoplasm Proteins; D011960:Receptors, Estrogen; D011980:Receptors, Progesterone