- Database model and specification of GermOnline Release 2.0, a cross-species community annotation knowledgebase on germ cell differentiation. Wiederkehr, C., Basavaraj, R., Sarrauste de Menthière, C., Koch, R., Schlecht, U., Hermida, L., Masdoua, B., Ishii, R., Cassen, V., Yamamoto, M., Lane, C., Cherry, M., Lamb, N., Primig, M. Bioinformatics (2004)