to determine the lesion development of retrovirus-induced ovine pulmonary carcinoma ( opc ) , ten neonatal lambs were inoculated intratracheally with either 1 ) lung fluid preparations derived from a sheep with type d retrovirus-associated opc and concurrent ovine lentivirus ( ovlv ) -associated lymphoid interstitial pneumonia ( lip ) ( n = 8 ) ;
C0024109
lung
C0264511
lymphoid interstitial pneumonia