TY  - RPRT
TI  - Advances in gene targeting methods.
AU  - R Kühn
AU  - F Schwenk
PY  - 1997
DO  - 10.1016/s0952-7915(97)80133-1
UR  - https://pubmed.ncbi.nlm.nih.gov/9099792/
ID  - 9099792
ER  -