BR. Sebayang W. The Relationship Between Mother’s Knowledge And Attitude About High Risk Pregnancy In Pulo Brayan Medan Health Center. JUK-Medifa [Internet]. 2023 Mar. 7 [cited 2024 Dec. 22];1(02):66-9. Available from: https://jurnal.seaninstitute.or.id/index.php/health/article/view/77