Fig. 2From: Increased chromosomal radiosensitivity in asymptomatic carriers of a heterozygous BRCA1 mutationMean micronucleus (MN) yields and G2/M checkpoint efficiency ratios obtained with the G2 MN assay in healthy volunteers and BRCA1 mutation carriers. Significance was determined with a two-sided t test. p Values for each of the endpoints and dose points are indicated in the graph. Error bars represent the standard error of the mean. BN binucleated cell, Caf caffeineBack to article page