7 Betts RF. Antiviralagents in respirafory infections.[J].semin Respir Infect,1991,6(3):147.
8 Marr JJ, Moffte HL, Kunin CM. Gaidelines for improvinp the use of antimierobialagents: a statement by the Infectious Disease Society of Ameriea[J]. J InfectDis,1988,157:869.
9 Mylott JM, Ksiazek S, Bentlcy DW. Rational approach to the antibiotic treatmcntof pneumonia in the elderly[J]. Drag Aging,1994,4:21.
10Carl Llor,Ana Moragas,Carolina Bayona,Rosa Morros,Helena Pera,Oleguer Plana-Ripoll,Josep M Cots,Marc Miravitlles.Efficacy of anti-inflammatory or antibiotic treatment in patients with non-complicated acute bronchitis and discoloured sputum: randomised placebo controlled trial[J].BMJ (oct ).2013(oct042)