Instruct: Identify the main category of Medrxiv papers based on the titles
Query: RPE65-related retinal dystrophy: mutational and phenotypic spectrum in 44 affected patients.
23
The categories of this paper are: gastroenterology
10
The categories of this paper are: infectious
35
The categories of this paper are: pediatrics
44
The categories of this paper are: endocrinology
65
The categories of this paper are: oral
70
The categories of this paper are: otolaryngology
20
The categories of this paper are: psychiatry
41
The categories of this paper are: nephrology
46
The categories of this paper are: therapeutics
0
The categories of this paper are: neurology
47
The categories of this paper are: care
54
The categories of this paper are: gynecology
14
The categories of this paper are: cardiovascular
28
The categories of this paper are: nutrition
60
The categories of this paper are: addiction
73
The categories of this paper are: toxicology