Table 1.

Results obtained by Magdolenova et al. (2014) and Azqueta et al. (2014).

	(Magdolenova et al., 2014) 112 papers	(Azqueta et al., 2014) 102 papers
In vitro studies	94	81
Comet assay	58	52
Micronuclei assay	31	30
Chromosome aberration test	10	9
Ames test	13	9
γ-H2AX by immunostaining	−	9
In vivo studies	22	16
Micronuclei assay	14	11
Comet assay	9	6
Sporadic techniques	Chromosome aberration assay in vivo, gene mutation assay, sister chromatid exchange, γ-H2AX assay and others.	Chromosome aberration assay, gene mutation assay, sister chromatid exchange, γ-H2AX assay by immunostaining in vivo and others.

Note that some papers can include results from both in vitro and in vivo studies and also different assays.