CAN A GAMIFIED PROPOSAL IMPROVE KNOWLEDGE AND ATTITUDES TO PERFORM CARDIOPULMONARY RESUSCITATION? A PILOT STUDY WITH SECONDARY SCHOOL STUDENTS FROM CANTABRIA : GAMIFICATION TO IMPROVE KNOWLEDGE AND ATTITUDES TO PERFORM CARDIOPULMONARY RESUSCITATION. CCD [Internet]. 2025 Oct. 8 [cited 2026 Oct. 1];20(65). Available from: https://ccd.ucam.edu/index.php/revista/article/view/2307