Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) OTSUKI Kunio,Numbers and activities of public health centers,Nihon Koshu Eisei Zasshi(JAPANESE JOURNAL OF PUBLIC HEALTH),05461766,Japanese Society of Public Health,2010,57,7,561-570,https://cir.nii.ac.jp/crid/1390001205506138368,https://doi.org/10.11236/jph.57.7_561