Nazemoroaya, Z., & Sarafbidabad, M. (2018). Preparation and characterization of saponin-enriched extract of Zizyphus spina- christi and design of a novel saponin-phospholipid complex as an effective drug delivery tool. International Pharmacy Acta, 1(1), 124–124. https://doi.org/10.22037/ipa.v1i1.20034