title: Reply to letter by Ieni et al.
authors: Department of Medical Oncology, European Institute of Oncology, Milan, Italy. Electronic address: gaetano.aurilio@ieo.it.
authors: Gaetano
authors: G
authors: Aurilio
authors: Department of Medical Oncology, European Institute of Oncology, Milan, Italy.
authors: Franco
authors: F
authors: Nolè
authors: Department of Pathology, European Institute of Oncology, Milan, Italy; University of Milan, School of Medicine, Italy.
authors: Giuseppe
authors: G
authors: Viale
authors: Department of Pathology, European Institute of Oncology, Milan, Italy; University of Milan, School of Medicine, Italy.
authors: Giancarlo
authors: G
authors: Pruneri
mesh_terms: D001943:Breast Neoplasms / Q000378:metabolism*; D005260:Female; D006801:Humans; D018719:Erb-b2 Receptor Tyrosine Kinases / Q000378:metabolism*; D011960:Receptors, Estrogen / Q000378:metabolism*; D011980:Receptors, Progesterone / Q000378:metabolism*
chemical_list: D018719:Erb-b2 Receptor Tyrosine Kinases; D011960:Receptors, Estrogen; D011980:Receptors, Progesterone