A Randomized Trial of Nasopharyngeal-Synchronized Intermittent Mandatory Ventilation Versus Nasopharyngeal Continuous Positive Airway Pressure in Very Low Birth Weight Infants After Extubation. - Friedlich, Philippe; Lecart, Chantal; Posen, Robert; Ramicone, Emily; Chan, Linda; Ramanathan, Rangasamy (Journal of Perinatology, 1999)