TY  - RPRT
TI  - Selective systems in somatic cell genetics.
AU  - E H Chu
AU  - S S Powell
PY  - 1976
DO  - 10.1007/978-1-4757-0659-8_5
UR  - https://pubmed.ncbi.nlm.nih.gov/797245/
ID  - 797245
ER  -