Drupal-Bibcite0<style face="normal" font="default" size="100%">Assessing the scalability of a health management-strengthening intervention at the district level: a qualitative study in Ghana, Malawi and Uganda</style><style face="normal" font="default" size="100%">Assessing the scalability of a health management-strengthening intervention at the district level: a qualitative study in Ghana, Malawi and Uganda</style>