HITTER (BURU), T., Éva KÁLLAY, L. E. OLAR, R. ŞTEFAN, E. BUTA, S. CHIOREAN, M. CANTOR, and I. PAPUC. “The Effect of Therapeutic Horticulture on Depression and Kynurenine Pathways ”. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, Vol. 47, no. 3, July 2019, pp. 804-12, doi:10.15835/nbha47311544.