Davidkov, Mario, and Tatyana Atanasova. 2022. “APPLICATION OF THREE-DIMENSIONAL (3D) AND FOUR-DIMENSIONAL (4D) ULTRASOUND DIAGNOSTICS IN OBSTETRICS IN NORMALLY RUNNING PREGNANCY”. KNOWLEDGE - International Journal 53 (4):647-54. https://ikm.mk/ojs/index.php/kij/article/view/5473.