title: Is anxiety best conceived as a unitary condition? The benefits of lumping compared with splitting . . .
authors.affiliation: Head of Frederick W Thompson Anxiety Disorders Centre, Sunnybrook Health Sciences Centre, Toronto, Ontario; Associate Professor of Psychiatry, University of Toronto, Toronto, Ontario.
authors.forename: Margaret A
authors.initials: MA
authors.lastname: Richter
mesh_terms: D001008:Anxiety Disorders / Q000145:classification* / Q000175:diagnosis* / Q000453:epidemiology / Q000523:psychology; D002170:Canada; D003430:Cross-Sectional Studies; D039721:Diagnostic and Statistical Manual of Mental Disorders; D006801:Humans; D062528:Medicalization / Q000145:classification / Q000706:statistics & numerical data; D001523:Mental Disorders / Q000145:classification / Q000175:diagnosis / Q000453:epidemiology / Q000523:psychology; D014481:United States