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  Indian J Med Microbiol
 

Figure 1: Axial proton density weighted, fat-suppressed magnetic resonance images showing patellar cartilage lesions according to modified Noyes system. (a) Grade 1, (b) Grade 2, (c) Grade 3, and (d) Grade 4, cartilage changes are seen

Figure 1: Axial proton density weighted, fat-suppressed magnetic resonance images showing patellar cartilage lesions according to modified Noyes system. (a) Grade 1, (b) Grade 2, (c) Grade 3, and (d) Grade 4, cartilage changes are seen