Instruct: Identify the main category of Medrxiv papers based on the titles
Query: Discovery of a simple two-gene expression biomarker in whole blood predictive of the need for treatment escalation in inflammatory bowel disease
2
The categories of this paper are: medicine
32
The categories of this paper are: rehabilitation
69
The categories of this paper are: palliative
71
The categories of this paper are: ethics
16
The categories of this paper are: immunology
31
The categories of this paper are: imaging
58
The categories of this paper are: hematology
36
The categories of this paper are: economics
14
The categories of this paper are: cardiovascular
26
The categories of this paper are: systems
59
The categories of this paper are: respiratory
19
The categories of this paper are: public
13
The categories of this paper are: genetic
62
The categories of this paper are: orthopedics
38
The categories of this paper are: hiv
64
The categories of this paper are: ophthalmology