Would you rephrase the sentence below? This "vs" doesn't make sense to me.

NEXIUM prescription approval rates at the pharmacy vs gernerics and branded products.

Thank you,

It's not a sentence, but it is comparing Nexium to generic brands in some way. 'Vs' indicates a comparison.
would you tell me what are being compared? because it seems to me that they're comparing NEXIUM prescription approval rates and gernerics and branded products: rates vs procuducts. I must be misunderstanding it.

Thank you in advance,

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There is not enough context; it is not a complete sentence, as I said.
Oh, OK, that's what you meant by "not a sentence." Thank you.