P. J. Armstrong

Devine, L., Armstrong, P. J., Whittemore, J. C., Sharkey, L., Bailiff, N., Huang, A., & Rishniw, M. (2017). Presumed primary immune-mediated neutropenia in 35 dogs: A retrospective study. Journal of Small Animal Practice, 58(6), 307–313.

ARMSTRONG, P. J., HAND, M. S., & FREDERICK, G. S. (1990). [Review of ENTERAL NUTRITION BY TUBE]. VETERINARY CLINICS OF NORTH AMERICA-SMALL ANIMAL PRACTICE, 20(1), 237–275. https://doi.org/10.1016/S0195-5616(90)50024-8

Armstrong, P. J., & Hardie, E. M. (1989). Percutaneous endoscopic gastrostomy. Veterinary Medicine Report, 1(3), 404.

Armstrong, P. J., & Lippert, A. C. (1988). Selected aspects of enteral and parenteral nutritional support. Seminars in Veterinary Medicine and Surgery (Small Animal), 3(3), 216.