by Barth, A.D, Bowman, P.A
Published in Canadian veterinary journal (01.04.1988)

by McCartney, D.H., Spurr, D.T., Cates, W.F., Barth, A.D., Mapletoft, R.J.
Published in Theriogenology (1990)

by Barth, A D, Barber, S M, McKenzie, N T
Published in Canadian veterinary journal (01.08.1980)

by Barth, A D, Adams, W M, Manns, J C, Rawlings, N C
Published in Canadian veterinary journal (01.07.1978)

by Barth, A D, Adams, W M, Manns, J G, Kennedy, K D, Sydenham, R G, Mapletoft, R J
Published in Canadian veterinary journal (01.03.1981)

by Haigh, J.C, Barth, A.D, Bowman, P.A
Published in Journal of zoo animal medicine (01.12.1986)