TY  - RPRT
TI  - Thymus-derived rosettes are not "helper" cells.
AU  - B E Elliott
AU  - J S Haskill
AU  - M A Axelrad
PY  - 1973
DO  - 10.1084/jem.138.5.1133
UR  - https://pubmed.ncbi.nlm.nih.gov/4126768/
ID  - 4126768
ER  -