Hermann, Jennifer S Immunisation coverage of children in the child welfare system: a systematic review protocol. [electronic resource] - BMJ open 04 2017 - e014625 p. digital Publication Type: Journal Article ISSN: 2044-6055 Standard No.: 10.1136/bmjopen-2016-014625 doi Subjects--Topical Terms: ChildChild WelfareChild, PreschoolHumansImmunizationSystematic Reviews as TopicVaccination Coverage