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  • [\'Department of Mental Health, Lanzhou University Second Hospital, Lanzhou, Gansu, China.\', \'The Second Clinical Medical College of Lanzhou University, Lanzhou, Gansu, China.\', \'Gansu province key laboratory of groundwater engineering and geothermal resources, Geological Environmental Monitoring Institute of Gansu Province, Lanzhou, Gansu, China.\', \'Environmental Geology and Disaster Prevention and Control of Engineering Technology Research Center in Gansu Province, Geological Environment Monitoring Institute of Gansu Province, Lanzhou, Gansu, China.\', \'The First Clinical Medical College of Lanzhou University, Lanzhou, Gansu, China.\', \'Department of Project Management Office, Lanzhou University Second Hospital, Lanzhou, Gansu, China 15002665669@139.com.\']
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  • -1
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?:doi
?:doi
  • 10.1136/bmjopen-2020-046428
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  • BMJ open
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?:title
  • Impact of the COVID-19 pandemic on the mental health and learning of college and university students: a protocol of systematic review and meta-analysis.
?:type
?:year
  • 2021

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