PT - JOURNAL ARTICLE AU - Kevork Hopayian TI - Aetiology of respiratory tract infections. DP - 2002 Mar 01 TA - British Journal of General Practice PG - 238--238 VI - 52 IP - 476 4099 - http://bjgp.org/content/52/476/238.1.short 4100 - http://bjgp.org/content/52/476/238.1.full SO - Br J Gen Pract2002 Mar 01; 52