Ali, Hussain, et al. “Incidence and Severity of Crown Gall Disease of Cherry, Apple and Apricot Plants Caused by Agrobacterium Tumefaciens in Nagar Valley of Gilgit-Baltistan, Pakistan”. Pakistan Journal of Nutrition, vol. 9, no. 6, May 2010, pp. 577–581, https://doi.org/10.3923/pjn.2010.577.581.