Ash Paul
@pash22
Public Hlth Dr,interested in evid-based health services commissioning,clinical leadership & hlth policy.My views are my own,RTs are no endorsements
04-04-2009 16:39:49
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Contextual effects: how to, and how not to, quantify them bmcmedresmethodol.biomedcentral.com/articles/10.11… via Tobias Saueressig et al