RT Journal Article SR Electronic T1 Variability in the prevalence of premenstrual asthma JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society DO 10.1183/09031936.00045109 A1 A. Pereira Vega A1 J.L.S. Ramos A1 J.A.M. Pérez A1 F.J.Á. Gutierrez A1 J.M.I. García A1 R.V. Oliva A1 P.R. Palacios A1 J.M.B. Nieto A1 I.S. Rodríguez A1 y.F.G. Muñoz YR 2009 UL http://erj.ersjournals.com/content/early/2009/11/06/09031936.00045109.abstract AB