Incidence of lower respiratory tract infections and atopic conditions in boys and young male adults: Royal College of General Practitioners Research and Surveillance Centre Annual... by De Lusignan, S, Correa, A, Pebody, R, Yonova, I, Smith, G, Byford, R, Pathirannehelage, SR, McGee, C, Elliot, AJ, Hriskova, M, Ferreira, FI, Rafi, I, Jones, S