SALAH ALDEAN QASSIM HAIDARI, S.; ABD AL-AZIZ AL-TALIB, B. Robustifying Cox - Regression Model Estimation Using M - estimators with application to breast cancer patients. IRAQI JOURNAL OF STATISTICAL SCIENCES, [S. l.], v. 20, n. 2, p. 166–174, 2023. DOI: 10.33899/iqjoss.2023.181221. Disponível em: https://tanmiyat.uomosul.edu.iq/index.php/stats/article/view/29072. Acesso em: 6 sep. 2025.