TY - JOUR AU - Editorial Office PY - 2021/12/31 Y2 - 2024/03/28 TI - ESJ December COVER PAGE JF - European Scientific Journal, ESJ JA - ESJ VL - 17 IS - 43 SE - ESJ Natural/Life/Medical Sciences DO - UR - https://eujournal.org/index.php/esj/article/view/15003 AB - , ER -