- Acute safety and effects on mucociliary clearance of aerosolized uridine 5'-triphosphate +/- amiloride in normal human adults. Olivier, K.N., Bennett, W.D., Hohneker, K.W., Zeman, K.L., Edwards, L.J., Boucher, R.C., Knowles, M.R. Am. J. Respir. Crit. Care Med. (1996)