... thnh ng tuyn ú: bit hoỏ cao (well - differentiated), bit húa va (moderately differentiated), kộm bit húa (poorly differentiated), v khụng bit húa (undifferentiated), ng thi cng da trờn bit húa ... 38 14 65,5 24, 2 10,3 0,01 45 22 67,2 32,8 49 18 73,1 26,9 44 14 75,8 24, 2 ...