Khalifa, S.E. and Fathy, Y. 2018. HER-2 Immunohistochemical Expression in Bone Sarcomas: A New Hope for Osteosarcoma Patients. Open Access Macedonian Journal of Medical Sciences. 6, 9 (Sep. 2018), 1555–1560. DOI:https://doi.org/10.3889/oamjms.2018.318.