HEPD0722_6_F12 HEPD0722_6_A12 http://identifiers.org/mgd/MGI:5000336 targeted mutation 1e, Helmholtz Zentrum Muenchen GmbH MGI:5000336 HEPD0722_6_E09 Igf1<tm1e(EUCOMM)Hmgu> EUCOMM-projects