TY  - RPRT
TI  - Simple method for isolating free urinary catecholamines by boric acid gel chromatography.
AU  - C F Gelijkens
AU  - A P De Leenheer
PY  - 1980
DO  - 10.1016/s0378-4347(00)81401-2
UR  - https://pubmed.ncbi.nlm.nih.gov/7400267/
ID  - 7400267
ER  -