TY  - RPRT
TI  - Drug-coding systems: why so many?
AU  - S F Hurley
AU  - J J McNeil
PY  - 1989
DO  - 10.5694/j.1326-5377.1989.tb128466.x
UR  - https://pubmed.ncbi.nlm.nih.gov/2687664/
ID  - 2687664
ER  -