The temporal relationship between drug supply indicators: an audit of international government surveillance systems
    BCCSU > Bohdan Nosyk, Dan Werb, Evan Wood, Julio Montaner, Thomas Kerr > The temporal relationship between drug supply indicators: an audit of international government surveillance systems

Werb D, Kerr T, Nosyk B, Strathdee S, Montaner J, Wood E The temporal relationship between drug supply indicators: an audit of international government surveillance systems BMJ Open PubMed