TY  - RPRT
TI  - [An ion exchange method to determine free metal concentrations, adapted for use in biological fluids: methods and determination of (Mg2+)].
AU  - W Achilles
AU  - B Scheidt
AU  - H Hoppe
AU  - G A Cumme
PY  - 1977
UR  - https://pubmed.ncbi.nlm.nih.gov/17989/
ID  - 17989
ER  -