Velmala,S.M., Vuorinen,I., Uimari,A., Piri,T. and Pennanen,T., Ectomycorrhizal fungi increase the vitality of Norway spruce seedlings under the pressure of Heterobasidion root rot in vitro but may increase susceptibility to foliar necrotrophs. Fungal Biol 122 (2-3), 101-109 (2018). https://www.ncbi.nlm.nih.gov/nuccore/MF947537