Mardliyana, Nova Elok, Irma Maya Puspita, Awwalul Wiladatil Qodliyah, y Yuanita Wulandari. 2022. «An Overview of Anxiety Levels in Pregnant Women During the COVID-19 Pandemic». Gaceta Médica De Caracas 130 (1 S):S101-S106. http://caelum.ucv.ve/ojs/index.php/rev_gmc/article/view/23891.