TY  - RPRT
TI  - The immunoglobulin heavy chain class switch.
AU  - P D Burrows
AU  - M D Cooper
PY  - 1984
DO  - 10.1007/bf00285216
UR  - https://pubmed.ncbi.nlm.nih.gov/6436684/
ID  - 6436684
ER  -