by Horak, I.G., Purnell, R.E.
Published in Onderstepoort journal of veterinary research (01.12.2004)

by Fogarty, U, del Piero, F, Purnell, R E, Mosurski, K R
Published in Veterinary record (14.05.1994)

by Titchener, R. N., Purnell, R. E.
Published in Veterinary record (05.10.1996)

by Tornquist, M, Purnell, R.E, Tolling, S.T
Published in Veterinary record (23.11.1991)

by Purnell, R.E
Published in Onderstepoort journal of veterinary research (01.09.1987)

by Brocklesby, D W, Purnell, R E
Published in Nature (London) (27.01.1977)

by Purnell, R.E, Gunter, T.D, Schroder, J
Published in Tropical animal health and production (01.02.1989)

by Chumo, R S, Irvin, A D, Morzaria, S P, Katende, J, Purnell, R E
Published in Veterinary record (04.03.1989)

by Purnell, R.E., Lewis, D.
Published in Transactions of the Royal Society of Tropical Medicine and Hygiene (1980)

by Purnell, R.E, Lewis, D
Published in Research in veterinary science (1981)

by Lewis, D, Purnell, R E, Shaw, S R
Published in Parasitology (01.08.1980)

by Lewis, D, Purnell, R E, Bevan, W J
Published in Veterinary record (17.01.1981)

by Purnell, R E, Joyner, L P
Published in Parasitology (01.08.1968)

by Young, E.R, Purnell, R.E
Published in Veterinary record (19.01.1980)

by Purnell, R.E., Lewis, D., Brocklesby, D.W.
Published in International journal for parasitology (01.02.1979)

by Purnell, R E, Hendry, D J, Bidwell, D E, Turp, P
Published in Veterinary record (07.08.1976)

by Purnell, R E, Lewis, D, Holman, M R, Young, E R
Published in Parasitology (01.10.1981)

by Purnell, R E, Rae, M C
Published in Australian veterinary journal (01.05.1981)

by Lewis, D, Holman, M R, Purnell, R E, Young, E R, Herbert, I V, Bevan, W J
Published in Research in veterinary science (01.09.1981)

by Purnell, R E
Published in Research in veterinary science (01.07.1970)