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A comparison of the efficacy and tolerability of single doses of HFA 134a albuterol and CFC albuterol in mild-to-moderate asthmatic patients. Ann Allergy Asthma Immunol 2002; 88:488. 31. Cheng, YS, Fu, CS, Yazzie, D, Zhou, Y. Respiratory deposition patterns of salbutamol pMDI with CFC and HFA-134a formulations in a human airway replica. ................
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