TY  - RPRT
TI  - Letter: Technique for the NBT test.
AU  - A E Green
AU  - L F Isherwood
PY  - 1973
DO  - 10.1136/jcp.26.9.726-b
UR  - https://pubmed.ncbi.nlm.nih.gov/4127541/
ID  - 4127541
ER  -