Common Error Detection
In a first of its kind study, / a team of scientist have tried to / 'grow' new stem cells in / the ear that get damage with age.

the ear that get damage with age
'grow' new stem cells in
a team of scientist have tried to
In a first of its kind study,

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Common Error Detection
Find out whether there is any grammatical error in below sentence.Another reason for pharmaceutical companies beefing up their / OTC (Over the Country) divisions is that prescription drugs with proven safety records which have been reached / the end of the their patent protection periodare

Another reason for pharmaceutical companies beefing up their
the end of the their patent protection periodare
allowed to be sold without a prescription. No error
OTC (Over the Country) divisions is that prescription drugs with proven safety records which have been reached

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