TY  - RPRT
TI  - Transfer factor: past, present and future.
AU  - H H Fudenberg
PY  - 1989
DO  - 10.1146/annurev.pa.29.040189.002355
UR  - https://pubmed.ncbi.nlm.nih.gov/2658777/
ID  - 2658777
ER  -