TY  - RPRT
TI  - A simple inexpensive staining device.
AU  - R ENGELBERG
AU  - M McNALLY
PY  - 1951
DO  - 10.1093/ajcp/21.3_ts.296
UR  - https://pubmed.ncbi.nlm.nih.gov/14818986/
ID  - 14818986
ER  -