According to the NIMH-funded Course and Outcome of bipolar Youth study, 25% of children with bipolar disorder not otherwise specified (NOS) convert to bipolar I or II disorder within about 18 months.

据NIMH资助的双相青春期研究结果，25%的儿童双相患者在18个月内，成为了双相I型或II型(未有特殊说明NOS)。

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Objective: Ulceration NOS (not otherwise specified) was a sort of oral lesions associated with HIV infection which had special clinical manifestations.

目的：口腔非特异性(NOS)溃疡是一类与H IV感染有关的口腔病变，其临床表现不同于常见口腔溃疡。

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Instead of using the current terms of autistic disorder, Asperger's disorder, childhood disintegrative disorder and PDD-NOS (pervasive developmental disorder not otherwise specified), people will be given an umbrella diagnosis of "autism spectrum disorder".

BBC: Children 'may grow out of autism'