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Pediatric Anesthesia > 26 > 5 > 481 - 487
BJOG: An International Journal of Obstetrics & Gynaecology > 118 > 5 > 596 - 607
Resuscitation > 2011 > 82 > 2 > 203-206
BJOG: An International Journal of Obstetrics & Gynaecology > 117 > 10 > 1262 - 1269