«The Effect of Viola odorata Flower Syrup on the Cough of Children With Asthma: A Double-Blind, Randomized Controlled Trial». J Evid Based Complementary Altern Med20: 287–91. Oct 2015. doi:10.1177/2156587215584862. PMID25954025.
«Efficacy of Viola odorata in Treatment of Chronic Insomnia». Iran Red Crescent Med J16: e17511. Dec 2014. doi:10.5812/ircmj.17511. PMID25763239.
Amer, A; Mehlhorn, H (2006). «Repellency effect of forty-one essential oils against Aedes, Anopheles, and Culex mosquitoes.». Parasitol. Res.99: 478–90. doi:10.1007/s00436-006-0184-1. PMID16642384.
«Violet». Herbbee. Αρχειοθετήθηκε από το πρωτότυπο στις 15 Οκτωβρίου 2017. Ανακτήθηκε στις 15 Ιανουαρίου 2017.
nih.gov
ncbi.nlm.nih.gov
«The Effect of Viola odorata Flower Syrup on the Cough of Children With Asthma: A Double-Blind, Randomized Controlled Trial». J Evid Based Complementary Altern Med20: 287–91. Oct 2015. doi:10.1177/2156587215584862. PMID25954025.
«Efficacy of Viola odorata in Treatment of Chronic Insomnia». Iran Red Crescent Med J16: e17511. Dec 2014. doi:10.5812/ircmj.17511. PMID25763239.
Amer, A; Mehlhorn, H (2006). «Repellency effect of forty-one essential oils against Aedes, Anopheles, and Culex mosquitoes.». Parasitol. Res.99: 478–90. doi:10.1007/s00436-006-0184-1. PMID16642384.