APA (7th ed.) Citation

Walter, C. B., Hartkopf, A. D., Hein, A., Fasching, P. A., Kolberg, H., Hadji, P., . . . Fremd, C. Characteristics and prognosis of patients with primary metastatic disease vs. recurrent HER2-negative, hormone receptor-positive advanced breast cancer. Elsevier.

Chicago Style (17th ed.) Citation

Walter, Christina B., et al. Characteristics and Prognosis of Patients with Primary Metastatic Disease Vs. Recurrent HER2-negative, Hormone Receptor-positive Advanced Breast Cancer. Elsevier.

MLA (9th ed.) Citation

Walter, Christina B., et al. Characteristics and Prognosis of Patients with Primary Metastatic Disease Vs. Recurrent HER2-negative, Hormone Receptor-positive Advanced Breast Cancer. Elsevier.

Warning: These citations may not always be 100% accurate.