Abbreviation	Meaning
ABBM	Anorganic Bovine Bone Mineral
BMAC	Bone Marrow Aspirate Concentrate
BMP	Bone Morphogenetic Protein
CHBG	Collagenated Heterologous Bone Grafts
GAG	Glycosaminoglycan
GRADE	Grading of Recommendations Assessment, Development, and Evaluation
HA	Hyaluronic Acid
HAPLN1	Hyaluronan and Proteoglycan Link Protein 1
hUCB-MSCs	Human Umbilical Cord Blood-Derived Mesenchymal Stem Cells
ICRS CRA	International Cartilage Repair Society Cartilage Repair Assessment
IKDC	International Knee Documentation Committee
JBI	Joanna Briggs Institute
micro-CT	Micro-computed Tomography
MIS	Minimally Invasive Surgery
MSCs	Mesenchymal Stem Cells
OA	Osteoarthritis
PCL	Poly-ε-caprolactone
PICO	Population, Intervention, Comparison, Outcome
PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-Analyses
RCT	Randomized Controlled Trial
ROB-2	Risk of Bias Tool for Randomized Trials
ROBINS-I	Risk of Bias In Non-randomized Studies-of Interventions
TCP	Tricalcium Phosphate
URPF	Ultrasonic Resorbable Pin Fixation
VAS	Visual Analog Scale