Iksen, Sinaga, S.M., Kevin, K. and Hutabalian, M.R.U. 2019. In Vitro Test of Anticalculi Effect from Ethyl Acetate Fraction of Chives Leaf (Allium schoenoprasum L.). Indonesian Journal of Pharmaceutical and Clinical Research. 2, 2 (Dec. 2019), 20-23. DOI:https://doi.org/10.32734/idjpcr.v2i2.3030.