Table 1. Summary of the different experiments with the total number of each animal type used and the number tested in each experiment.

		P10		P20
Experiment		WTn = 5	MTn = 5	WTn = 6	MTn = 5
1: frontal and parietal bone properties		5	5	5	5
2: sagittal, coronal and posterior frontal suture		5	5	-	-
3: variation in bone properties	a) with indentation position	-	-	1	-
	b) with indentation plane	-	-	1	-
	c) in suture properties with age	-	-	1	-