This is a commentary on a Cochrane review, published in this issue of EBCH, first published as: Del-Rio-Navarro BE, Espinosa-Rosales FJ, Flenady V, Sienra-Monge JJL. Immunostimulants for preventing respiratory tract infection in children. Cochrane Database of Systematic Reviews 2006, Issue 4. Art. No.: CD004974. DOI: 10.1002/14651858.CD004974.pub2.
Further information for this Cochrane review is available in this issue of EBCH in the accompanying Summary article. Copyright © 2012 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd. The Cochrane Collaboration