TY  - RPRT
TI  - Urea determination using pH-enzyme electrode.
AU  - R Koncki
AU  - A Chudzik
AU  - I Walcerz
PY  - 1999
DO  - 10.1016/s0731-7085(99)00094-1
UR  - https://pubmed.ncbi.nlm.nih.gov/10701912/
ID  - 10701912
ER  -