Instruct: Identify the main category of Medrxiv papers based on the titles
Query: Protocol for a nationwide Internet-based health survey in workers during the COVID-19 pandemic in 2020
54
The categories of this paper are: gynecology
20
The categories of this paper are: psychiatry
52
The categories of this paper are: nursing
34
The categories of this paper are: therapy
21
The categories of this paper are: psychology
60
The categories of this paper are: addiction
50
The categories of this paper are: medical
30
The categories of this paper are: radiology
67
The categories of this paper are: transplantation
17
The categories of this paper are: informatics
56
The categories of this paper are: research
69
The categories of this paper are: palliative
23
The categories of this paper are: gastroenterology
57
The categories of this paper are: primary
24
The categories of this paper are: oncology
58
The categories of this paper are: hematology