| Nr. | Year OPEN | Title | users say> | rate good | rate bad | no link | Citation |
Anion gap| 1 | 1998 | Low anion gap. | 
| + | - | nl | South Med J 91(7):624-9 (1998) |
| 2 | 1988 | Use of the anion gap in clinical medicine. | 
| + | - | nl | South Med J 81(2):229-37 (1988) |
| 3 | 2008 | Unmeasured anions: the unknown unknowns. | 
| + | - | nl | Crit Care 12(1):113 (2008) Venkatesh B |
| 4 | 2006 | Unmeasured anions in metabolic acidosis: unravelling the mystery. | 
| + | - | nl | Crit Care 10(4):220 (2006) Forni LG |
| 5 | 2007 | Serum anion gap: its uses and limitations in clinical medicine. | 
| + | - | nl | Clin J Am Soc Nephrol 2(1):162-74 (2007) Kraut JA |