Fig. 1From: A polycentric, randomized, parallel-group, study on Lertal®, a multicomponent nutraceutical, as preventive treatment in children with allergic rhinoconjunctivitis: phase IIKaplan-Meyer Plot. Time to first exacerbation calculated as days elapsed between the start of Phase II (i.e. unblinding date) and the start date of the first exacerbation or the last date of observation in Lertal® Group and Observation GroupBack to article page