Authors: Tattersfield, AE Lofdahl, CG Postma, DS Eivindson, A Schreurs, AGM Rasidakis, A Ekstrom, T

Citation: Ae. Tattersfield et al., Comparison of formoterol and terbutaline for as-needed treatment of asthma: a randomised trial, LANCET, 357(9252), 2001, pp. 257-261