This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
HLA associated with psoriasis - 
Select and explain. 
A. HLA-B27, B. HLA-DR4, C. HLA-CW6, D. HLA-B8
C: HLA-CW6
Answer: C: HLA-CW6 
Explanation: Ans. is 'c' i.e., HLA-CW6 Psoriasis vulgaris is associated with HLA-CW6..