This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: DNB 2018, Subject name: Forensic Medicine
Method of autopsy in which various systems organs are removed en masse: 
Select and explain. 
A. Rokitansky, B. Virchow, C. Gasses, D. Lettulle
D: Lettulle
Answer: D: Lettulle 
Explanation: Dissection techniques Defined by Organ by organ Virchow En block Ghon In situ method Rockitansky En masse Letulle