Drupal-Bibcite0<style face="normal" font="default" size="100%">Using participatory action research to pilot a model of service user and caregiver involvement in mental health system strengthening in Ethiopian primary healthcare: a case study</style><style face="normal" font="default" size="100%">Using participatory action research to pilot a model of service user and caregiver involvement in mental health system strengthening in Ethiopian primary healthcare: a case study</style>