Figure 1.

Flow chart depicting outline of the search and selection strategy. NS = normal saline; NaHCO3 = sodium bicarbonate; NAC = N-acetylcysteine. *The study of Schmidt et al. [13] was not prospective. Shavit et al. randomized patients to NS + N-acetylcysteine versus NaHCO3.[14]

Meier et al. BMC Medicine 2009 7:23   doi:10.1186/1741-7015-7-23
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