TY  - RPRT
TI  - Low-molecular-weight immunomodifiers produced by micro-organisms.
AU  - H Umezawa
PY  - 1985
DO  - 10.1080/02648725.1985.10647815
UR  - https://pubmed.ncbi.nlm.nih.gov/2936359/
ID  - 2936359
ER  -