CHINESE-GERMAN JOURNAL OF CLINICAL ONCOLOGY, Volume 8, Issue 3,2009, Pages 160-163, doi:10.1007/s10330-008-0101-4
CHINESE-GERMAN JOURNAL OF CLINICAL ONCOLOGY, Volume 8, Issue 3,2009, Pages 145-149, doi:10.1007/s10330-009-0017-7
CHINESE-GERMAN JOURNAL OF CLINICAL ONCOLOGY, Volume 8, Issue 3,2009, Pages 156-159, doi:10.1007/s10330-008-0164-2
CHINESE-GERMAN JOURNAL OF CLINICAL ONCOLOGY, Volume 8, Issue 3,2009, Pages 137-141, doi:10.1007/s10330-009-0012-z