11. Can photon IMRTbe improved by combination with mixed electron and photon techniques? Mu X,Olofsson L, Karlsson M, Sjogren R, Zackrisson B. Acta Oncol. 2004;43(8):727-35.M Xiangkui, Lofroth PO, Karlsson M,Zackrisson B.
12. The effect offraction time in intensity modulated radiotherapy: theoretical and experimentalevaluation of an optimisation problem. Radiother Oncol. 2003 Aug;68(2):181-7.
13. Intensitymodulated radiation therapy with electrons using algorithm based energy/rangeselection methods.Olofsson L, Mu X,iangkui Nill S, Oelfke U, Zackrisson B,Karlsson M. Radiother Oncol. 2004 Nov;73(2):223-31.
14. Mu Xiangkui,Lofroth PO, Karlsson M, Zackrisson B.Letters to the Editor. Radiotherapy and Oncology. 2004,72:113-115
15. 博士論文:2005年2月 Clinicalapplication of intensity and energy modulated radiotherapy with photon andelectron beams. Printed by Print & Media, Umea University.ISBN:91-7305-793-2. ISSN 0346-6612.
16. Does electron andproton therapy reduce the risk of radiation induced cancer after spinalirradiation for childhood medulloblastoma?: a comparative treatment planningstudy. Mu Xiangkui, Bjork-Eriksson T, Nill S, Oelfke U, Johansson KA, GagliardiG, Johansson L, Karlsson M, Zackrisson DB. Acta Oncol. 2005;44(6):554-62.