1. American Public Health Association (APHA) About public health nursing 2009 http://www.apha.org/membergroups/sections/aphasections/phn/about/
2. Research Committee. Research priorities for public health nursing;Association of Community Health Nursing Educators (ACHNE);Public Health Nurs.,2009
3. Cabinet Office White paper on the national lifestyle; a comfortable way of life for the Japanese people, founded on personal relationships? 2007 http://www5.cao.go.jp/seikatsu/whitepaper/h19/01_honpen/html/07sh000101.html