title: Quality control in steroid hormone receptor assays.
abstract: This report discusses the sources of variance that can occur in the quantitation of receptors and summarizes how a suitable control program can be established. Variance is defined as the discrepancy in analytical results when assays are performed on the same material.
mesh_terms: D001943:Breast Neoplasms / Q000032:analysis*; D002499:Centrifugation, Density Gradient; D005260:Female; D006801:Humans; D011786:Quality Control; D011987:Receptors, Steroid / Q000032:analysis*; D012015:Reference Standards
chemical_list: D011987:Receptors, Steroid