TY  - RPRT
TI  - Immunoglobulin class switching: molecular and cellular analysis.
AU  - C Esser
AU  - A Radbruch
PY  - 1990
DO  - 10.1146/annurev.iy.08.040190.003441
UR  - https://pubmed.ncbi.nlm.nih.gov/2188677/
ID  - 2188677
ER  -