Table 1.

Experimental design

Period-groups	Number of sheep	Stifle joint (femoral condyle)	Treatment
6 months	2	Left	REAC RGN type C
		Right	REAC RGN type C
6 months	2	Left	None
Total	4	6

Abbreviations: REAC, radioelectric asymmetric conveyor; RGN, regenerative treatment.