@misc{Ministry of Health2005,
author = {Ministry of Health, Labour and Welfare},
title= {Basic Survey on the Life of People in Japan 2004 (Overview of Survey Results) (in Japanese)},
year = {2005},
URL = {http://www.mhlw.go.jp/toukei/saikin/hw/k-tyosa/k-tyosa04/index.html},
}