Vermeulen S J, Nollet F, Teugels E, Philippe J, Speleman F, van Roy F M, Bracke M E, Mareel M M
Department of Radiotherapy and Nuclear Medicine, University of Gent, Belgium.
Ann N Y Acad Sci. 1997 Dec 29;833:186-9. doi: 10.1111/j.1749-6632.1997.tb48607.x.