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Experimental flowchart. Forty‐eight 4‐week‐old New Zealand white rabbits were randomly assigned to two groups. The control group (Group C, n = 24) underwent a sham surgical procedure, whereas the patellectomy group (Group P, n = 24) underwent patella excision surgery. Half of the rabbits in each group were sacrificed 3 and 6 months after surgery. The analysis included bony sulcus angle (BSA), cartilaginous sulcus angle (CSA) and cartilage thickness (CT).
