NorCOMM-projects Igf1<tm1(NCOM)Mfgc> N02159P1_C_244W_D3 N02159P1_C_244W_F2 N02159P1_C_244W_C2 http://identifiers.org/mgd/MGI:4880543 targeted mutation 1, Mammalian Functional Genomics Centre MGI:4880543