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Cyanocobalamin, vitamin B12 preparations containing benzyl alcohol should be avoided in premature neonates because benzyl alcohol has been associated with gasping syndrome, a potentially fatal condition characterized by metabolic acidosis and CNS, respiratory, circulatory, and renal dysfunction

Cellular signaling mechanisms

British Journal of Pharmacology / NIHMS PMC (2008) 6

Drugs like aspirin that decrease platelet function should not be taken by people who have a low platelet count or irregular bleeding

If you cannot calculate your dose from your concentration, you should not be administering peptides

The surgery was fast