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Merck

Nitrous oxide and oxygen sedation: an update.

Dental assistant (Chicago, Ill. : 1994) (2013-09-06)
Ann Brunick, Morris S Clark
RESUMEN

This course will teach the desirable characteristics of nitrous oxide, indications and contraindications for N2O/O2 use, as well as facts and myths surrounding chronic exposure to nitrous oxide, the biologic effects associated with high levels of the gas, and ways to assess and minimize trace gas contamination in an outpatient setting.

MATERIALES
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Sigma-Aldrich
Vitamina B12, ≥98%
Sigma-Aldrich
Vitamina B12, BioReagent, suitable for cell culture, suitable for insect cell culture, suitable for plant cell culture, ≥98%
Supelco
Cianocobalamina (B12), analytical standard
Supelco
Vitamina B12, 1.0 mg/mL in methanol, ampule of 1 mL, certified reference material, Cerilliant®
Sigma-Aldrich
Nitrous oxide, 99%
Supelco
Vitamina B12, pharmaceutical secondary standard, certified reference material
Sigma-Aldrich
Vitamina B12, meets USP testing specifications
Sigma-Aldrich
Vitamina B12, tested according to Ph. Eur.