%0 Journal Article %A Sun, D. Q. %A Feng, C. H. %A Bocking, A. %A Biesterfeld, Stefan %T Principal component analysis : a factor analytical technique for the determination of interobserver variation in histomorphologic tumor grading %J Anticancer research %V 14 %N 4A %@ 0250-7005 %C Kapandriti %I International Inst. of Anticancer Research %M RWTH-CONV-083667 %P 1525-1528 %D 1994 %F PUB:(DE-HGF)16 %9 Journal Article %$ pmid:7979180 %U <Go to ISI:>//WOS:A1994PT77900011 %U https://publications.rwth-aachen.de/record/234825