1. Comparison of salbutamol given intravenously and by intermittent positive-pressure breathing in life-threatening asthma;Bloomfield, P.; Carmichael, J.; Petrie, JR, Jewell; NP, Crompton; G.K.;Br Med J,1979
2. Intravenous or inhaled salbutamol in severe acute asthma?;Williams, S.; Seaton, A.;Thorax,1977
3. Intermittent positive pressure breathing;Campbell, I.A.; Hill, A.; Middleton, H.; Momen, M.; Prescott, R.J.;Br Med J,1978
4. A comparison of salbutamol by pressure packed aerosol or nebulisation via IPPB in acute asthma;Cayton, R.M.; Webber, B.; Paterson, J.W.; Clark, T.J.H.;Br J Dis Chest,1978
5. Comparison of two methods of administering bronchodilator aerosol to asthmatic patients;Choo-Kang, Y.F.J.; Grant, I.W.B.;Br Med J,1975