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subscription/membership/fee required Atypon https://journals.sagepub.com/doi/10.1093/eurjpc/zwae071?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed
subscription/membership/fee required Silverchair Information Systems https://academic.oup.com/eurjpc/article-lookup/doi/10.1093/eurjpc/zwae071