The New England journal of medicine
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Randomized Controlled Trial Comparative Study Clinical Trial
The risk of cesarean delivery with neuraxial analgesia given early versus late in labor.
Neuraxial analgesia early in labor does not increase the risk of cesarean delivery or increase the duration of labor compared with analgesia later in labor.
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Biography Historical Article
Individual rights versus the public's health--100 years after Jacobson v. Massachusetts.