title: Quality control of estrogen and progesterone receptor analyses in Denmark.
mesh_terms: D001943:Breast Neoplasms / Q000032:analysis*; D003718:Denmark; D005260:Female; D006801:Humans; D007753:Laboratories / Q000592:standards; D011786:Quality Control; D011960:Receptors, Estrogen / Q000032:analysis*; D011980:Receptors, Progesterone / Q000032:analysis*
chemical_list: D011960:Receptors, Estrogen; D011980:Receptors, Progesterone