TY  - RPRT
TI  - Crossing-over within the HL-A system.
AU  - F Kissmeyer-Nielsen
AU  - A Svejgaard
AU  - S Ahrons
AU  - L S Nielsen
PY  - 1969
DO  - 10.1038/224075a0
UR  - https://pubmed.ncbi.nlm.nih.gov/5822911/
ID  - 5822911
ER  -