title: Chronic active adolescence.
authors.affiliation: Regenstrief Institute for Health Care, Indianapolis, IN 46202, USA.
authors.forename: C M
authors.initials: CM
authors.lastname: Callahan
mesh_terms: D004501:Education, Medical; D006801:Humans; D007398:Interpersonal Relations; D010820:Physicians / Q000523:psychology*; D012934:Social Isolation