chromosomeaberrations congresses culturesandculturemedia drugeffects ecologicalgenetics environmentalmonitoring geneexpressionprofiling generativeorgans genetictoxicology genitalia genomes genomics germcells laboratorymanuals male methods microbialdiversity microbialecology microbiology molecularbiology mutagenicitytesting mutagens mutation mutation(biology) qh460 qh460b6151989 qh460m9911982 qu25 qu25e612008 reproduction reproductivetoxicology riskfactors sexualdisorders wq205m3551993