PLoS One 5:110
After review of the comment, we do not believe the commenter has provided sufficient explanation to justify the creation of a new C-code at this time
Interestingly, at least one study suggests that vitamin B12 may be more beneficial topically than it is orally
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Theres currently no diagnostic test to confirm CN poisoning in the field within the limited window for initiating potentially lifesaving intervention.2,3 In addition, CN poisoning can be difficult to differentiate with carbon monoxide (CO) poisoning due to common signs and symptoms.2 Because CN poisoning prevents cells from using oxygen (O2), signs and symptoms of CN poisoning also mimic those of O2 deprivation.[v] Cyanide poisoning may result from inhalation, ingestion, or dermal exposure and should be suspected in smoke inhalation victims if theyre exposed to fire or smoke in an enclosed area, present with soot around the mouth, nose, or back of mouth or have an altered mental status
At moderate light intensities the rate of photolysis is very low, probably due to the recombination of vitamin B12 and the methyl radical