TY  - RPRT
TI  - A simple technique for demonstrating centromeric heterochromatin.
AU  - A T Sumner
PY  - 1972
DO  - 10.1016/0014-4827(72)90558-7
UR  - https://pubmed.ncbi.nlm.nih.gov/4117921/
ID  - 4117921
ER  -