A study of 592 children in two U.S. pediatric hospitals revealed only 42% of first attempts were successful, at a median cost of US$ 41 per placement (Goff et al. 2013).
A study of 592 children in two U.S. pediatric hospitals revealed only 42% of first attempts were successful, at a median cost of US$ 41 per placement (Goff et al. 2013).
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