If your native language is not English, please consider enlisting the help of an English-speaking colleague in preparing the text. - Physical Review and Physical Review Letters: Tips for Authors 

A native speaker of English can not only provide assistance in spotting common grammatical errors, but can also provide invaluable insight into the appropriate phrasing of things.

A particularly unique example is provided by this article in the physics journal Physical Review Letters, detailing the work of Japanese and Russian scientists on the phase diagram of arsenic sulfides at high pressures:

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