TY  - RPRT
TI  - Personal error in penicillin assay.
AU  - P A YOUNG
PY  - 1949
DO  - 10.1111/j.1476-5381.1949.tb00563.x
UR  - https://pubmed.ncbi.nlm.nih.gov/15398549/
ID  - 15398549
ER  -