Intended for healthcare professionals

CCBYNC Open access
Research

Monitoring the emergence of community transmission of influenza A/H1N1 2009 in England: a cross sectional opportunistic survey of self sampled telephone callers to NHS Direct

BMJ 2009; 339 doi: https://doi.org/10.1136/bmj.b3403 (Published 27 August 2009) Cite this as: BMJ 2009;339:b3403