Natascya Putri Siburian, Rudyn Reymond Panjaitan, Joseph Partogi Sibarani. Profile of Serum Folate Levels in Various Severity Degrees of Psoriasis Vulgaris Patients at Murni Teguh Memorial Hospital Medan. JUK-Medifa [Internet]. 2026 Jul. 28 [cited 2026 Aug. 1];4(02):102-7. Available from: https://jurnal.seaninstitute.or.id/index.php/health/article/view/1113