AAEP	American Association of Equine Practitioners
ACD/ACD-A	Acid Citrate Dextrose A
ACTH	Adrenocorticotropic Hormone
ALL	Allogeneic
APS	Autologous Protein Solution
AUT	Autologous
CaCl2	Calcium Chloride
CES(s)	Controlled Experimental Studies
CL-PRP	Calcium-activated Leukocyte-rich Platelet-Rich Plasma
CS(s)	Case Series
GFs	Growth Factors
HA	Hyaluronic Acid
IAI	Intra-Articular Injection
IFN-γ	Interferon gamma
IL-1β	Interleukin 1 beta
IL-6	Interleukin 6
IL-10	Interleukin 10
IL-17A	Interleukin 17A
L-PRP	Leukocyte-rich Platelet-Rich Plasma
NSAIDs	Non-Steroidal Anti-Inflammatory Drugs
OA	Osteoarthritis
OST	Oral Sugar Test
P-PRP	Pure Platelet-Rich Plasma
PDGF-BB	Platelet-Derived Growth Factor-BB
PGE2	Prostaglandin E2
PICO	Population, Intervention, Comparison, Outcome
PLT	Platelet
PRG	Platelet-Rich Gel
PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-Analyses
PRP	Platelet-Rich Plasma
RBC	Red Blood Cells
RCT(s)	Randomized Clinical Trial(s)
Robvis	Risk-of-bias VISualization
ROBINS-I	Risk Of Bias In Non-randomized Studies of Interventions
RoB 2.0	Revised Cochrane risk-of-bias tool for randomized trials
SAA	Serum Amyloid A
SA	Septic Arthritis
SC	Sodium Citrate
WOS	Web of Science
STNFr1	Soluble Tumor Necrosis Factor Receptor 1
TA	Triamcinolone Acetonide
TGF-β1	Transforming Growth Factor beta 1
TNF-α	Tumor Necrosis Factor alpha
TRH	Thyrotropin-Releasing Hormone
WBC	White Blood Cells