[Referensi: Roshanravan, N., Alizadeh, A. R., Mohammadi, M., Gholaminejad, F., & Hadinezhad, S. (2015). The effect of fennel (Foeniculum vulgare) seed oil emulsion in infantile colic: a randomized, placebo-controlled study. Altern Ther Health Med, 21(4), 30-35.]