Hernawati Y, Korihah H, Setiawan DR. Effect of Spinach Extract Supplementation Combined with Iron Tablets on Hemoglobin Concentration among Pregnant Women: A Quasi-Experimental Study. J. App Nurs n Health [Internet]. 2026 Jul. 12 [cited 2026 Jul. 13];8(2):1669-86. Available from: https://janh.candle.or.id/index.php/janh/article/view/691