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: Dental
The methods of modifying stainless steel crowns for primary teeth were given by: 
Select and explain. 
A. Garcia-Godoy, B. Humphrey, C. Mink and Hill, D. Michelle and Johnson
C: Mink and Hill
Answer: C: Mink and Hill 
Explanation: In 1971, Mink and Hill reported several ways of modifying the stainless steel crown when the crowns are either too large or too short.