title: Twitter usage at Clinical Congress rises markedly over two years.
authors: Heather
authors: H
authors: Logghe
authors: John
authors: J
authors: Maa
authors: Jerry
authors: J
authors: Schwartz
mesh_terms: D003226:Congresses as Topic; D013502:General Surgery; D061108:Social Media / Q000706:statistics & numerical data*; D012955:Societies, Medical; D014481:United States