TY  - RPRT
TI  - Analytical methods for measuring urea in pharmaceutical formulations.
AU  - M T Knorst
AU  - R Neubert
AU  - W Wohlrab
PY  - 1997
DO  - 10.1016/s0731-7085(96)01978-4
UR  - https://pubmed.ncbi.nlm.nih.gov/9260657/
ID  - 9260657
ER  -