Kovalchuk OL. PROBLEM-ORIENTED LECTURE-CONFERENCE WITH THE ELEMENTS OF PROACTIVE TRAINING AND VISUALIZATION ON "SYNDROME OF ABDOMINAL PAIN IN CHILDREN" IN THE UNDERGRADUATE TRAINING OF PHYSICIANS. MО [Internet]. 2015 Jun. 1 [cited 2025 Mar. 16];(1). Available from: https://ojs.tdmu.edu.ua/index.php/med_osvita/article/view/4171