TY - GEN AU - Weda,M AU - Zanen,P AU - de Boer,A H AU - Gjaltema,D AU - Ajaoud,A AU - Barends,D M AU - Frijlink,H W TI - Equivalence testing of salbutamol dry powder inhalers: in vitro impaction results versus in vivo efficacy SN - 0378-5173 PY - 2003///0520 KW - Adult KW - Albuterol KW - administration & dosage KW - Confidence Intervals KW - Cross-Over Studies KW - Humans KW - Middle Aged KW - Nebulizers and Vaporizers KW - Powders KW - Therapeutic Equivalency N1 - Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial UR - https://doi.org/10.1016/s0378-5173(02)00533-1 ER -