This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology and Rheumatology, Subject name: Medicine
SLE like syndrome is caused by: 
Select and explain. 
A. Hydralazine, B. Phenytoin, C. Procainamide, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Ans: dRef: Harrison, 16thed, p. 1967