Delivery of salbutamol to nonventilated preterm infants by metered-dose inhaler, jet nebulizer, and ultrasonic nebulizer
TF Fok, K Lam, PC Ng, TF Leung, HK So, KL Cheung, W Wong
European Respiratory Journal 1998 12: 159-164; DOI: 10.1183/09031936.98.12010159