Oroei, Mahbobeh. 2019. “Determining the Association of Benign and Malignant Salivary Gland Tumours With ABO-Rh Blood Groups”. Bengal Journal of Otolaryngology and Head Neck Surgery 27 (2). Kolkata, India:154-60. https://doi.org/10.47210/bjohns.2019.v27i2.243.