Grange F, Mohr P, Harries M, Ehness R, Benjamin L, Siakpere O, Barth J, Stapelkamp C, Pfersch S, McLeod LD, Kaye JA, Wolowacz S, Kontoudis I. Economic burden of advanced melanoma in France, Germany, and the UK: a retrospective observational study (Melanoma Burden-of-Illness Study). Melanoma Res. 2017 Dec;27(6):607-18. doi: 10.1097/CMR.0000000000000372
Margulis AV, Houben E, Hallas J, Overbeek JA, Pottegard A, Torp-Pedersen T, Perez-Gutthann S, Arana A. Ophthalmic nepafenac use in the Netherlands and Denmark. Acta Ophthalmol. 2017 Aug;95(5):509-17. doi: 10.1111/aos.13468
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.