title: New concept for the variable flow rate Andersen cascade impactor and calibration data.
authors: Holmes Chapel Development Centre, Rhône-Poulenc Rorer Ltd, UK.
authors: S C
authors: SC
authors: Nichols
authors: D R
authors: DR
authors: Brown
authors: M
authors: M
authors: Smurthwaite
mesh_terms: D002138:Calibration; D004867:Equipment Design; D005240:Feasibility Studies; D006801:Humans; D009330:Nebulizers and Vaporizers; D010316:Particle Size