HEPD0673_4_E09 EUCOMM-projects B2m<tm1a(EUCOMM)Hmgu> HEPD0673_4_H12 HEPD0673_4_H09 HEPD0673_4_D09 http://identifiers.org/mgd/MGI:4841757 HEPD0673_4_A10 HEPD0673_4_F10 MGI:4841757 HEPD0673_4_G10 HEPD0673_4_G09 targeted mutation 1a, Helmholtz Zentrum Muenchen GmbH