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Showing posts with label nitrous oxide. Show all posts
Showing posts with label nitrous oxide. Show all posts

Sunday, February 13, 2011

Laughing gas returning as option for laboring moms


The use of nitrous oxide, or laughing gas, during childbirth fell out of favor in the United States decades ago, and just two hospitals — one in San Francisco and one in Seattle..

Source: htpp://news.yahoo.com