Seung-Jin Lee, Ki-Hyun Kim, Abraham Fikru Mechesso, Na-Hye Park, and Seung-Chun Park, “Spraying of swine buildings with lemon grass (Cymbopogon citratus) essential oil does not produce blood absorption in swine”, ijp, vol. 8, no. 3, pp. 360–365, Jun. 2016.