TY  - RPRT
TI  - Transfer factor in chronic obstructive bronchitis.
AU  - K N Palmer
AU  - M L Diament
PY  - 1969
DO  - 10.1016/s0140-6736(69)90304-3
UR  - https://pubmed.ncbi.nlm.nih.gov/4185562/
ID  - 4185562
ER  -