Lane, G. 2014. The Effects of GABA, L-Theanine, Passiflora Incarnata and Prunus Cerasus in Reducing the Symptoms of Nervousness in Individuals with Anxiety and/or Depression. Journal of Nutritional Therapeutics. 3, 4 (Dec. 2014), 175–177. DOI:https://doi.org/10.6000/1929-5634.2014.03.04.5.