"Research method issue: recruiting and retaining subjects in a research study"@ast . . "scientific article published on January 2008"@en . "article cient\u00EDfic"@ca . "\u043D\u0430\u0443\u043A\u043E\u0432\u0430 \u0441\u0442\u0430\u0442\u0442\u044F, \u043E\u043F\u0443\u0431\u043B\u0456\u043A\u043E\u0432\u0430\u043D\u0430 \u0432 \u0441\u0456\u0447\u043D\u0456 2008"@uk . "Research method issue: recruiting and retaining subjects in a research study"@ast . . . "wissenschaftlicher Artikel"@de . "art\u00EDculu cient\u00EDficu espubliz\u00E1u en 2008"@ast . "10.7748/NR2008.04.15.3.12.C6453" . . "18459483" . "article scientifique"@fr . "Sandy O'Brien Cousins" . . . "12-25" . . "\u0645\u0642\u0627\u0644\u0629 \u0639\u0644\u0645\u064A\u0629 \u0646\u0634\u0631\u062A \u0641\u064A \u064A\u0646\u0627\u064A\u0631 2008"@ar . . "artigo cient\u00EDfico"@pt . . . "Sylvie Lauzon" . . "Philippe Voyer" . "3" . . . . . "15" . "Research method issue: recruiting and retaining subjects in a research study"@en . "articolo scientifico"@it . . "bilimsel makale"@tr . . "Research method issue: recruiting and retaining subjects in a research study"@nl . . "v\u011Bdeck\u00FD \u010Dl\u00E1nek"@cs . "videnskabelig artikel"@da . "Research method issue: recruiting and retaining subjects in a research study"@en . "Research method issue: recruiting and retaining subjects in a research study"@ast . "Research method issue: recruiting and retaining subjects in a research study"@en . . "Research method issue: recruiting and retaining subjects in a research study"@en . . . "\u043D\u0430\u0443\u0447\u043D\u0438 \u0447\u043B\u0430\u043D\u0430\u043A"@sr . . "wetenschappelijk artikel"@nl . . "vedeck\u00FD \u010Dl\u00E1nok"@sk . "Research method issue: recruiting and retaining subjects in a research study"@nl . "Research method issue: recruiting and retaining subjects in a research study"@nl . "release_kginybvrqrgunnoyoll7obh3jm" . "vetenskaplig artikel"@sv . "2008-01-01T00:00:00Z"^^ . .