McGuire, S. J., Castro, A. E. and Miller, I. D. (1981) “Diagnosis of clinical leukosis in cattle and its correlation with bovine leukemia virus antigens using the agar gel immunodiffusion (AGID) test”, The Bovine Practitioner, 1981(16), pp. 130–133. doi: 10.21423/bovine-vol1981no16p130-133.