| Level I | Good quality evidence |
Systematic review of RCTs with consistent findings High quality individual RCT |
| Level II |
Limited quality patient orientated evidence |
Systematic review of lower quality studies or studies with inconsistent findings Low quality clinical trial Cohort studies Case-control studies |
| Level III | Other |
Consensus guidelines, extrapolations from bench research, usual practice, opinion, disease-oriented evidence (intermediate or physiologic outcomes only), or case series |
[31] Desferrioxamine, IV: Tenenbein M. Benefits of parenteral deferoxamine for acute iron poisoning. J ToxicolClinToxicol. 1996;34(5):485-9.http://www.ncbi.nlm.nih.gov/pubmed/8800185
Desferrioxamine, IV: Tenenbein M, Kowalski S, Sienko A, Bowden DH, Adamson IY. Pulmonary toxic effects of continuous desferrioxamine administration in acute iron poisoning. Lancet. 1992 Mar 21;339(8795):699-701. http://www.ncbi.nlm.nih.gov/pubmed/1347583