1. Preclinical animal models in single site cartilage defect testing: a systematic review 
B.J. Ahern, J. Parvizi, R. Boston, T.P. Schaer 
Osteoarthritis and Cartilage 
Volume 17, Issue 6, Pages (June 2009)
DOI: /j.joca
Copyright © 2008 Osteoarthritis Research Society International Terms and Conditions

2. Fig. 1
Mean chondral and subchondral defect volumes of species analyzed compared to human clinical defects. Subchondral bone plate is zero.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2008 Osteoarthritis Research Society International Terms and Conditions

3. Fig. 2
Chondral and subchondral components of the preclinical animal model defects as a percentage of the total defect compared to the human patient.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2008 Osteoarthritis Research Society International Terms and Conditions

4. Fig. 3
A comparison of the cartilage volume of critical sized defects to the average reported cartilage defect volume assuming both are full thickness cartilage defects.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2008 Osteoarthritis Research Society International Terms and Conditions