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ReplyLETTER

  
      

  
      
Reply:
  
    	
N. Arai and H. Kan

  
    	
American Journal of Neuroradiology April 2020,  41 (4) E21; DOI: https://doi.org/10.3174/ajnr.A6473 

  
  
  



  


  
  



			

		

	
	
 	
	  
  

		
		

			

			  

  
      
  
  

    
  


  
  



  
      
  
  

    

  

    

  
      
  
  

    
References
  1. 1.↵
    1. Arai  N, 
    2. Kan  H, 
    3. Ogawa  M, et al
    . Visualization of nigrosome 1 from the viewpoint of anatomic structure. AJNR Am J Neuroradiol 2020;41:86–91 doi:10.3174/ajnr.A6338 pmid:31806600
    Abstract/FREE Full Text
  2. 2.↵
    1. Cosottini  M, 
    2. Frosini  D, 
    3. Pesaresi  I, et al
    . Comparison of 3T and 7T susceptibility-weighted angiography of the substantia nigra in diagnosing Parkinson disease. AJNR Am J Neuroradiol 2015;36:461–66 doi:10.3174/ajnr.A4158 pmid:25376811
    Abstract/FREE Full Text
  3. 3.↵
    1. Erickson  SJ, 
    2. Prost  RW, 
    3. Timins  ME
    . The “magic angle” effect: background physics and clinical relevance. Radiology 1993;188:23–25 doi:10.1148/radiology.188.1.7685531 pmid:7685531
    CrossRefPubMedWeb of Science
  4. 4.↵
    1. Wang  J, 
    2. Dong  H, 
    3. Li  SW
    . Magnetic dipole-dipole interaction induced by the electromagnetic field. Phys Rev A 2018;97:013819 doi:10.1103/PhysRevA.97.013819
    CrossRef
  5. 5.↵
    1. Kim  EY, 
    2. Sung  YH, 
    3. Lee  J
    . Nigrosome 1 imaging: technical considerations and clinical applications. Br J Radiol 2019;92:20180842 doi:10.1259/bjr.20180842 pmid:31067082
    CrossRefPubMed
  


  
  



  




  


  
  



  
      
  
  

    
  


  
  



  
      
  
  

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Reply:
  
    	
N. Arai, H. Kan

  
    	
American Journal of Neuroradiology Apr 2020, 41 (4) E21; DOI: 10.3174/ajnr.A6473 

  
  
  



  


  
  



  
      
  
  

    

  
    
  
  
    
  
  
    
  


  


  
  



  
      
  
  

    
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