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: 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: Answer is D (Egas Moniz): Egas Moniz first performed cerebral Angiography in 1927. Antonio Egas Moniz, a Pouguese neurologist, first performed cerebral Angiography. He received the Nobel Prize for developing for developing frontal leucotomy as a treatment for psychiatric diseases. In 1927 he performed the first cerebral angiogram in a living human assisted y his colleagues Almeida Lima and Almeida Dias.