P. Upton

发表

P. Upton, C. Ramsay, 1989, The Lancet.

J. Wood, S. Downs, A. Goodchild, 2015, Veterinary Record.

S. More, S. Downs, F. Menzies, 2013, Veterinary Record.

N. Smith, S. Downs, J. Broughan, 2014, Veterinary Record.

J. Gibbens, P. Upton, J. Dale, 2018, Veterinary Record.

Jennifer A. Roberts, P. Upton, G. Azene, 2000, Journal of public health medicine.

G. Enticott, L. Brunton, N. Alexander, 2015, Veterinary Record.

N. Smith, J. Broughan, P. Upton, 2016, Veterinary Record.

N. Smith, J. Gibbens, P. Upton, 2017, Veterinary Record.