This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cerebrovascular, Subject name: Medicine
Cerebral angiography was performed by - 
Select and explain. 
A. Sir Walter Dandy, B. George Moore, C. Seldinger, D. Egas Moniz
D: Egas Moniz
Answer: D: Egas Moniz 
Explanation: Ans. is 'd' i.e., Egas Moniz o Egas Moniz first performed cerebral Aneioeraphy in 192 7,# He received the Nobel Prize for developing for developing frontal leucotomy as a treatment for psychiatric diseases.