Riadi, Masadah R, Nelwan BJ. Expression of PD-L1 and Relationship with Tumor-Infiltrating Lymphocytes and Metastasis in Serous Ovarian Carcinoma. IJSBAR. 2021;57(2):162-170. Accessed December 5, 2025. https://www.gssrr.org/JournalOfBasicAndApplied/article/view/12539