Veh	SKF	Qui	Apo	Rac
		Area (mm2)	0.0509	0.0467	0.0385	0.0466	0.0458
		SEM (±)	0.0040	0.0064	0.0055	0.0016	0.0035
		N	4	5	3	4	4
	F-value	F(4, 15) =0.7322; NS