PT - JOURNAL ARTICLE AU - A. Pereira Vega AU - J.L.S. Ramos AU - J.A.M. Pérez AU - F.J.Á. Gutierrez AU - J.M.I. García AU - R.V. Oliva AU - P.R. Palacios AU - J.M.B. Nieto AU - I.S. Rodríguez AU - y.F.G. Muñoz TI - Variability in the prevalence of premenstrual asthma AID - 10.1183/09031936.00045109 DP - 2009 Nov 06 TA - European Respiratory Journal 4099 - http://erj.ersjournals.com/content/early/2009/11/06/09031936.00045109.short 4100 - http://erj.ersjournals.com/content/early/2009/11/06/09031936.00045109.full