Warning: file_get_contents(https://ojs.journalbusiness.my/ojs.php): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /var/www/ojs.unud.ac.id_backup/lib/pkp/includes/functions.inc.php on line 4 Hidayah, Nurul, Susan Indriani, & Farida Rahmatika. "The Corona virus disease (COVID-19) in Pregnant Women : Analyzing References of Infection Mechanism and The Effect of Treatment in Pregnancy." Essential: Essence of Scientific Medical Journal [Online], 19.1 (2021): 10-18. Web. 11 Sep. 2026