This chart shows the percentage of citations to Joannie Lortet-Tieulent's peer-reviewed articles that originate from Joannie Lortet-Tieulent's own papers, i.e., papers where Joannie Lortet-Tieulent is one of the authors. A self-citation occurs when the citing paper lists Joannie Lortet-Tieulent as an author. Elevated rates may reflect a small co-author network or a narrow research focus.