Prone versus supine positioning in the well preterm infant: effects on work of breathing and breathing patterns.
Levy J, Habib RH, Liptsen E, Singh R, Kahn D, Steele AM, Courtney SE. Prone versus supine positioning in the well preterm infant: effects on work of breathing and breathing patterns. Pediatr Pulmonol. 2006 Aug; 41(8):754-8.