Clinical significance of cytokeratin 19 and OCT4 as survival markers in non-metastatic and metastatic breast cancer patients - Abdelaziz, Lobna A.; Ebian, Huda; Harb, Ola; Nosery, Yousef; Taha, Heba; Nawar, Nashwa (Contemporary Oncology/Współczesna Onkologia, 2022)