Luurtsema, Gert; Windhorst, Albert D.; Mooijer, Martien P.J.; Herscheid, Jacobus D.M.; Lammertsma, Adriaan A.; Franssen, Eric J.F. Journal of Labelled Compounds and Radiopharmaceuticals, 2002 , vol. 45, # 14 p. 1199 - 1207