For people who have trouble speaking, speech and language therapy is essential.

对于说话有困难的人，言语和语言治疗是至关重要的。

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Data EXTRACTION: Data were classified, 19 literatures of which were on speech-language therapy and 5 articles were about pharmacotherapy.

资料提炼：将资料进行分类，其中19篇是关于言语语言治疗的文献，5篇是关于药物治疗的文献。

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But in a published commentary on the research,Simon Fisher, a speech and language researcher at the Wellcome Trust Center for Human Genetics at Oxford University cautions that before researchers can develop a drug therapy for stuttering,they will need to learn much more about the precise biochemical mechanism of the disorder.

VOA: standard.2010.02.11

Researchers in the department of speech and language therapy have worked out a method of tracing tongue movements.

BBC: Grace Hampson, 11,

The head of Jersey's speech and language therapy service, Dr Lisa Perkins, said the connection had not been identified before.

BBC: Adjournment debate

The former Labour supporter showed Mr Blair a photo of her autistic son, explaining that she was struggling to get the speech and language therapy he needed.

BBC: Maria Hutchings