Potential Severe Asthma Hidden in UK Primary Care.Optimum Patient CareRyan D, Heatley H, Heaney LG, Jackson DJ, Pfeffer PE, Busby J, Menzies-Gow AN, Jones R, Tran TN, Al-Ahmad M, Backer V, Belhassen M, Bosnic-Anticevich S, Bourdin A, Bulathsinhala L, Carter V, Chaudhry I, Eleangovan N, FitzGerald JM, Gibson PG, Hosseini N, Kaplan A, Murray RB, Rhee CK, Van Ganse E, Price DB.