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Mannuzza S, Klein RG, Moulton JL, Scarfone N, Malloy P, Vosburg SK, Klein DF.Mannuzza S, et al. Among authors: klein df, klein rg.J Anxiety Disord. 2002;16(2):135-48. doi: 10.1016/s0887-6185(01)00095-0.J Anxiety Disord. 2002.PMID: 12194540