TECHNICAL ASPECTS OF LIQUID BIOPSY: INFLUENCE OF PREANALYTICAL PARAMETERS ON THE CONCENTRATION OF CIRCULATING TUMOR DNA IN PLASMA OF CANCER PATIENTS. Вопр. онкол. [Internet]. 2020 Apr. 1 [cited 2026 Oct. 14];66(4):391-7. Available from: https://voprosyonkologii.ru/index.php/journal/article/view/1100