Devouassoux-Shisheboran M, Mauduit C, Bouvier R, Berger F, Bouras M, Droz JP, Benahmed M. Expression of hMLH1 and hMSH2 and assessment of microsatellite instability in testicular and mediastinal germ cell tumours. Molecular human reproductionMolecular human reproduction. 2001;7 :1099-1105.