Copley-Merriman C, Yang X, Juniper M, Amin S, Yoo HK, Sen SS. Natural history and disease burden of neurofibromatosis type 1 with plexiform neurofibromas: a systematic review. Adolesc Health Med Ther. 2021 May 19;12:55-66. doi: 10.2147/AHMT.S303456
Groenwold R, Uddin M, Roes K, de Boer A, Rivero-Ferrer E, Martin E, Gatto N, Klungel O. Instrumental variable analysis in randomized trials with non-compliance and observational pharmacoepidemiologic studies. OA Epidemiology. 2014 May 9;2(1):9.
Vickers AD, Palmer SCF. The influence of canopy cover and other factors upon regeneration of Scots pine and associated ground flora within Glen Tanar NNR. Forestry (Lond). 2000;73(1):37-49.