Ferreira Lima Leachi, Helenize, and Renata Perfeito Ribeiro. “MASKS USED BY HEALTH PROFESSIONALS: WHAT IS RECOMMENDED?”. Advances in Nursing and Health 2 (April 9, 2020): 2–7. Accessed May 17, 2024. https://ojs.uel.br/revistas/uel/index.php/anh/article/view/39757.