| 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 |
[63] Atropine, IV (protocol): Eddleston M, Buckley NA, Eyer P, Dawson AH. Management of acute
organophosphorus pesticide poisoning. Lancet. 2008 Feb 16;371(9612):597-607. https://www.ncbi.nlm.nih.gov/pubmed/17706760
Atropine, IV (protocol): Eddleston M, Dawson A, Karalliedde L, Dissanayake W, Hittarage A, Azher S,
Buckley NA. Early management after self-poisoning with an organophosphorus or
carbamate pesticide - a treatment protocol for junior doctors. Crit Care. 2004 Dec;8(6):R391-7. https://www.ncbi.nlm.nih.gov/pubmed/15566582