strictly upper triangular matrix algebra
triangular matrix algebra
upper triangular matrix algebra
matrix algebra general interpretive coding
0-1 symmetric matrix of positive line
acellular dermal matrix
脱细胞猪真皮基质
脱细胞真皮基质
异体脱细胞组织补片
脱细胞真皮
无细胞真皮
异体脱细胞真皮基质
脱细胞异体真皮基质补片
无细胞真皮基质
细胞外基质
脱细胞皮片
脱细胞真皮基质黏膜组织补片
脱细胞异体真皮
去细胞真皮
细胞外基质补片
脱细胞异体真皮基质
acellular collagen matrix
Acellular cartilaginous matrix
acellular bone extracellular matrix
Acellular artificial dermal matrix
Acellular allograft dermis extracellular matrix
acellular allogeneic dermal matrix ADM