TY  - RPRT
TI  - A simple bioautographic technique for identifying biologically active material on thin-layer chromatograms.
AU  - N Narasimhachari
AU  - S Ramachandran
PY  - 1967
DO  - 10.1016/s0021-9673(01)85909-4
UR  - https://pubmed.ncbi.nlm.nih.gov/6058970/
ID  - 6058970
ER  -