TY  - RPRT
TI  - Letter: Immunoglobulin standards.
AU  - D J Ward
AU  - D J Lea
PY  - 1975
DO  - 10.1016/s0140-6736(75)91527-5
UR  - https://pubmed.ncbi.nlm.nih.gov/48645/
ID  - 48645
ER  -