[Retracted] A Stimulator of the Salivary Excretion Based on Physical Vibration of the Parotid Glands

Table 4

The Wilcoxon signed-rank test for basal and 7-minute tests.

Ranges
			Average rank	Sum of ranks
7-minute to basal test	Negative ranges	3^a	6,33	19,00
	Positive ranges	11^b	7,82	86,00
	Ties	1^c
	Total	15

(a) 7-. (b) 7-. (c) 7-.