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Q30574806-613FFDDF-29F9-471A-8C72-96A2BA8A35A0
Q30574806-613FFDDF-29F9-471A-8C72-96A2BA8A35A0
BestRank
Statement
http://www.wikidata.org/entity/statement/Q30574806-613FFDDF-29F9-471A-8C72-96A2BA8A35A0
Second-hand exposure to tobacco smoke and its effect on disease activity in Swedish rheumatoid arthritis patients. Data from BARFOT, a multicenter study of RA.
P921
Q30574806-613FFDDF-29F9-471A-8C72-96A2BA8A35A0
BestRank
Statement
http://www.wikidata.org/entity/statement/Q30574806-613FFDDF-29F9-471A-8C72-96A2BA8A35A0
rank
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type
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Statement
P921
multicenter trial