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DOAJ Directory of Open Access Journals
Available from 2007.
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Health Research Premium Collection
Available from 01/01/2007.
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PubMed Central
Available from 2020 volume: 71.
Full text available at:
PubMed Central Open Access
Available from 2020 volume: 71.
Full text available at:
DOAJ Directory of Open Access Journals
Available from 2007.
Full text available at:
Health Research Premium Collection
Available from 01/01/2007.
Full text available at:
PubMed Central
Available from 2020 volume: 71.
Full text available at:
PubMed Central Open Access
Available from 2020 volume: 71.