The uses of health systems research.
D000328:Adult; D002648:Child; D003256:Community Participation; D003906:Developing Countries; D005260:Female; D006291:Health Policy; D006292:Health Priorities; D006302:Health Services Research / Q000458:organization & administration*; D006801:Humans; D008297:Male; D009874:Operations Research; D011320:Primary Health Care; D012040:Regional Health Planning