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Table 1 Results of literature search

From: Autologous cell-free serum preparations in the management of knee osteoarthritis: what is the current clinical evidence?

  Database Total
Medline Embase CINAHL Cochrane  
Search results 132 362 50 11 555
Relevant articles 8 11 5 3 27
Adjunctive bibliography      03
Duplicates      − 15
Studies for review   15