TY - BOOK AU - Sigel,Helmut TI - Metal ions in biological systems AV - QP532 S52 PY - 1973///-9999 CY - New York PB - M. Dekker KW - Metales en el cuerpo N1 - Contenido: v.1. simple complexes v.2. mixed-ligand complexes v.3. high molecular complexes v.4. metal ions as probes ER -