Changes in peptic ulcer prevalence during COVID-19 period in early 2020
<|begin_of_text|><|start_header_id|>system<|end_header_id|> You are a research archivist expert in dataset metadata. Answer the question truthfully.  <|eot_id|><|start_header_id|>user<|end_header_id|> Here is the Description of a dataset. Description:'Data of all endoscopy results from Hanoi Medical University Hospital between January and June in two years 2019 and 2020. We used the data to demonstrate the change in prevalence of peptic ulcer disease between early 2019 and early 2020 (the period COVID-19 emerged)' . Please return only a json list of at most 3 Keywords corresponding to the Description:.<|eot_id|><|start_header_id|>assistant<|end_header_id|> {"Answer" : ["endoscopy volume, healthcare reform, pandemic, upper gastrointestinal endoscopy"]} <|eot_id|>
 Here is the Description of a dataset. Description:'Data of all endoscopy results from Hanoi Medical University Hospital between January and June in two years 2019 and 2020. We used the data to demonstrate the change in prevalence of peptic ulcer disease between early 2019 and early 2020 (the period COVID-19 emerged)' . Please return only a json list of at most 3 Keywords corresponding to the Description:.
Data of all endoscopy results from Hanoi Medical University Hospital between January and June in two years 2019 and 2020. We used the data to demonstrate the change in prevalence of peptic ulcer disease between early 2019 and early 2020 (the period COVID-19 emerged)
endoscopy volume, healthcare reform, pandemic, upper gastrointestinal endoscopy