TY  - RPRT
TI  - New polyvinyl chloride membrane electrode without inner reference solution for the determination of methadone.
AU  - Sabry Khalil
AU  - Ahmed Kelzieh
PY  - 2003
DO  - 10.1016/s0731-7085(02)00694-5
UR  - https://pubmed.ncbi.nlm.nih.gov/12615250/
ID  - 12615250
ER  -