Figure 1From: Integrating and extending cohort studies: lessons from the eXtending Treatments, Education and Networks in Depression (xTEND) study Bar chart depicting increase in number of journal publications (articles or conference abstracts) including terms referring to pooling raw data, as found by a keyword search between dates 2003-2012 (N = 544). [Database: OvidSP titles listed 2003-2012].Back to article page