Alavi Majd, H., Boroumandnia, N., Maboudi, A., Kariman, N., Safavi, N., Hajfatali, A., & Sajjadi, E. (2012). Using ROC surface to predict preterm delivery based on hemoglobin level in the first trimester of pregnancy. Archives of Advances in Biosciences, 4(1). https://doi.org/10.22037/jps.v4i1.3911