Arman Khozhayev, Altynay Saparalyyeva, Ayaulym Ilyas, Aida Saparali, Aiman Zhumanazar, Gulnur Shamshi, Meruyert Mukhamedkali and Azhar Kamilova (2026) “EPIDEMIOLOGICAL, METHODOLOGICAL ASPECTS, SCREENING EFFECTIVENESS AND RESULTS OF EARLY DETECTION OF MALIGNANT TUMORS IN THE REGIONS OF KAZAKHSTAN AT THE PRIMARY HEALTH CARE LEVEL”, Research Retrieval and Academic Letters, (14). Available at: https://ojs.publisher.agency/index.php/RRAL/article/view/9476 (Accessed: 26 October 2026).