TY  - RPRT
TI  - Origin, development and application ... the national drug code.
AU  - M Slavin
PY  - 1969
DO  - 10.1016/s0003-0465(16)30963-6
UR  - https://pubmed.ncbi.nlm.nih.gov/5803767/
ID  - 5803767
ER  -