TY  - RPRT
TI  - Multiple immunoglobulin classes among sharks and their evolution.
AU  - D Gitlin
AU  - A Perricelli
AU  - J D Gitlin
PY  - 1973
DO  - 10.1016/0305-0491(73)90360-x
UR  - https://pubmed.ncbi.nlm.nih.gov/4684002/
ID  - 4684002
ER  -