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Table 2: Comparison of spatial resolutions in previous rat spinal cord injury in vivo MR imaging studies*
Voxel Volume (nl) In-Plane Resolution (μm) Section Thickness (μm) Field Strength Coil Type Study
2.25 78 × 78 370 17.6T Surface coil Present study
12.2 78 × 156 1000 1.9T Implanted Ford et al¹¹
304 780 × 780 500 1.5T Surface coil Guizar-Sahagun et al¹²
17.3 76 × 76 3000 4.7T Surface coil Fraidakis et al¹³
76 195 × 195 2000 2.1T Surface coil Fukouka et al¹⁴
Information not provided 2800 2T Surface coil Ohta et al¹⁵
80 200 × 200 2000 4.7T Birdcage coil Metz et al¹⁶
12.7 130 × 98 1000 2T Implanted Bilgen et al¹⁷
8.1 78 × 104 1000 7T Implanted Narayana et al¹⁸
* If one study used different resolutions, the highest resolution is quoted.

Voxel Volume (nl)	In-Plane Resolution (μm)	Section Thickness (μm)	Field Strength	Coil Type	Study
2.25	78 × 78	370	17.6T	Surface coil	Present study
12.2	78 × 156	1000	1.9T	Implanted	Ford et al¹¹
304	780 × 780	500	1.5T	Surface coil	Guizar-Sahagun et al¹²
17.3	76 × 76	3000	4.7T	Surface coil	Fraidakis et al¹³
76	195 × 195	2000	2.1T	Surface coil	Fukouka et al¹⁴
	Information not provided	2800	2T	Surface coil	Ohta et al¹⁵
80	200 × 200	2000	4.7T	Birdcage coil	Metz et al¹⁶
12.7	130 × 98	1000	2T	Implanted	Bilgen et al¹⁷
8.1	78 × 104	1000	7T	Implanted	Narayana et al¹⁸