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Q33818475-552EA130-5391-41B2-9749-E912B4C57369
Q33818475-552EA130-5391-41B2-9749-E912B4C57369
BestRank
Statement
http://www.wikidata.org/entity/statement/Q33818475-552EA130-5391-41B2-9749-E912B4C57369
Relations between respiratory symptoms and sickness among workers in the animal feed industry.
P2860
Q33818475-552EA130-5391-41B2-9749-E912B4C57369
BestRank
Statement
http://www.wikidata.org/entity/statement/Q33818475-552EA130-5391-41B2-9749-E912B4C57369
rank
NormalRank
type
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Statement
wasDerivedFrom
c794bc23ae5f796996136d4f6b42c3d36dc297ca
P2860
Questionnaire of the European Community for Coal and Steel (ECSC) on respiratory symptoms. 1987--updating of the 1962 and 1967 questionnaires for studying chronic bronchitis and emphysema.