`TSOUKAS, Christos, et al. “First Report of Pythium Root Rot of Hydroponic Lettuce (Lactuca Sativa) in Greece, Caused by Pythium Cluster B2a Sp”. Phytopathologia Mediterranea, vol. 62, no. 3, Dec. 2023, pp. 355-9, doi:10.36253/phyto-14509.