From: Clinical efficacy and tolerability of an immune-stimulant* constituted by inactivated bacterial bodies in the prophylaxis of infectious episodes of airways: a double blind, placebo-controlled, randomized, multicentre study
Placebo
Treated
2
10 (11.4)
11 (12.2)
3
28 (31.8)
22 (24.4)
4
24 (27.3)
20 (22.2)
5
12 (13.6)
18 (20.0)
6
14 (15.9)
19 (21.1)