Open AccessAccuracy of Geographically Targeted Internet Advertisements on Google Adwords for Recruitment in a Randomized Trial
Author(s) -
Ray Jones,
Lesley Goldsmith,
Christopher J. Williams,
Maged N. Kamel Boulos
Publication year - 2012
Publication title -
journal of medical internet research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.446
H-Index - 142
eISSN - 1439-4456
pISSN - 1438-8871
DOI - 10.2196/jmir.1991
Subject(s) - randomized controlled trial , the internet , medicine , population , intervention (counseling) , analytics , world wide web , environmental health , data mining , computer science , psychiatry , surgery
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