Fig. 1

Consolidated Standards of Reporting Trials (CONSORT) flow diagram. Group 1 = experimental group (microfracture + atelocollagen augmentation), Group 2 = control group (microfracture alone)
Consolidated Standards of Reporting Trials (CONSORT) flow diagram. Group 1 = experimental group (microfracture + atelocollagen augmentation), Group 2 = control group (microfracture alone)