Helena Rugun Nauli Nainggolan, Leo Jumadi Simanjuntak, and Gerald Osson Fransiska Siahaan. “Analysis Of The Relationship Of Covid-19 Vaccination Status With Hematological Features In Pregnant Women”. Jurnal EduHealth 14, no. 01 (March 30, 2023): 534–537. Accessed November 9, 2026. https://ejournal.seaninstitute.or.id/index.php/healt/article/view/2908.