title: [Adolescents, the courage of frank speech].
authors: Bertrand
authors: B
authors: Kiefer
mesh_terms: D000293:Adolescent; D000294:Adolescent Behavior / Q000523:psychology; D016497:Adolescent Health Services; D006801:Humans; D009042:Motivation; D011057:Politics; D012649:Self Concept; D012917:Social Adjustment; D014705:Verbal Behavior