Greene, G., Hood, K., Little, P., Verheij, T., Goossens, H., Coenen, S., & C Butler, C. (2011). Towards clinical definitions of lower respiratory tract infection (LRTI) for research and primary care practice in Europe: An international consensus study. Prim Care Respir J.

Greene, Giles, Kerenza Hood, Paul Little, Theo Verheij, Herman Goossens, Samuel Coenen, e Christopher C Butler. "Towards Clinical Definitions of Lower Respiratory Tract Infection (LRTI) for Research and Primary Care Practice in Europe: An International Consensus Study." Prim Care Respir J 2011.

Greene, Giles, et al. "Towards Clinical Definitions of Lower Respiratory Tract Infection (LRTI) for Research and Primary Care Practice in Europe: An International Consensus Study." Prim Care Respir J 2011.