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I wrote in my manuscript that; "Additional 17 human samples not preserved in formaldehyde were provided for age dating."

But my English proofreader corrected that "An additional 17 human samples not preserved in formaldehyde were provided for age dating."

She explained the reason as "I added an 'An' here because you are starting a sentence with this information (and the article here can help in emphasizing the action that is going on in this sentence). "

I need further explanation.

marked as duplicate by herisson, NVZ, oerkelens, Jacinto, user66974 Aug 24 '16 at 9:31

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  • Lacking context, it's difficult to tell what your question is. The proofreader has that context. For example, in some contexts, "Additionally, 17 human samples not preserved etc." would work as well as "An additional etc.", but in other contexts, it might not. What clearly does not work is the sentence as you wrote it. – JEL Aug 24 '16 at 7:54
  • I agree that starting "Additional 17 human samples..." is wrong. Perhaps "An additional 17 human samples ..." could be seen as short for "An additional quantity of 17 human samples ..."? – David Garner Aug 24 '16 at 20:04