1. Spacer design;Cronin, S.;Lancet,1993
2. Volumatic usage;Bell, J.;Pharm Jf,1993
3. Volumatic usage;Snell, J.;Pharm J,1993
4. Investigations of an optimal inhaler technique using urinary salbutamol excretion as a measure of relative bioavailability to the lung;Hindle, M.; Newton, D.A.G.; Chrystyn, H.;Thorax,1993
5. Low first-spray drug content in albutermol metered dose inhalers;Cyr, T.D.; Graham, S.J.; Lik, Y.R.; Lovering, E.T.;Pharm Res,1991