{"id":6451,"date":"2019-12-20T06:01:46","date_gmt":"2019-12-20T06:01:46","guid":{"rendered":"https:\/\/www.niph.go.jp\/?page_id=6451"},"modified":"2019-12-20T06:01:46","modified_gmt":"2019-12-20T06:01:46","slug":"data-68-5-e68-5-en","status":"publish","type":"page","link":"https:\/\/www.niph.go.jp\/en\/journal-en\/data-68-5-e68-5-en\/","title":{"rendered":"Journal of the National Institute of Public Health Vol.68 No.5"},"content":{"rendered":"