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Q36171533-5A9A3C99-609B-4508-B8ED-BA58CCBE10CF
Q36171533-5A9A3C99-609B-4508-B8ED-BA58CCBE10CF
BestRank
Statement
http://www.wikidata.org/entity/statement/Q36171533-5A9A3C99-609B-4508-B8ED-BA58CCBE10CF
Clinical trials registries are underused in the pregnancy and childbirth literature: a systematic review of the top 20 journals.
P275
Q36171533-5A9A3C99-609B-4508-B8ED-BA58CCBE10CF
BestRank
Statement
http://www.wikidata.org/entity/statement/Q36171533-5A9A3C99-609B-4508-B8ED-BA58CCBE10CF
rank
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type
BestRank
Statement
wasDerivedFrom
7afb356c1e194238fb6820be74325a4a06eab5d4
P275
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