TY - JOUR AU - Sun, D. Q. AU - Feng, C. H. AU - Bocking, A. AU - Biesterfeld, Stefan TI - Principal component analysis : a factor analytical technique for the determination of interobserver variation in histomorphologic tumor grading JO - Anticancer research VL - 14 IS - 4A SN - 0250-7005 CY - Kapandriti PB - International Inst. of Anticancer Research M1 - RWTH-CONV-083667 SP - 1525-1528 PY - 1994 LB - PUB:(DE-HGF)16 C6 - pmid:7979180 UR - <Go to ISI:>//WOS:A1994PT77900011 UR - https://publications.rwth-aachen.de/record/234825 ER -