title: Quality control for storage and transportation of breast cancer samples for the assessment of their estrogen receptor content.
mesh_terms: D000328:Adult; D000368:Aged; D001943:Breast Neoplasms / Q000032:analysis*; D005260:Female; D006801:Humans; D008875:Middle Aged; D011309:Preservation, Biological / Q000592:standards*; D011786:Quality Control; D011960:Receptors, Estrogen / Q000032:analysis*; D013048:Specimen Handling / Q000379:methods*
chemical_list: D011960:Receptors, Estrogen