Avian flu special: masking our ignorance.
Cyranoski
David
D
D006801:Humans; D007251:Influenza, Human / Q000517:prevention & control* / Q000635:transmission; D008397:Masks / Q000706:statistics & numerical data*; D045169:Severe Acute Respiratory Syndrome / Q000517:prevention & control / Q000635:transmission; D014944:World Health Organization