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平台:
JSTOR Public Health
(Available from 1981/01/01 volume: 25 issue: 1 until 2020/01/31 volume: 76 issue: 6.)
Karger Journal Archive
(Available from 1959 volume: 1 issue: 1 until 2017.)
ProQuest Agricultural & Environmental Science Database
(Available from 2001/03/01 volume: 45 issue: 2 until 2015/11/30 volume: 67 issue: 4.)
ProQuest SciTech Premium Collection
(Available from 2001/03/01 volume: 45 issue: 2 until 2015/11/30 volume: 67 issue: 4.)