1. Observations on the anthelmintic effect of piperazine citrate in chickens;Bradley;Vet. Med.,1955
2. The anthelmintic effect of three piperazine derivatives on Ascaridia galli (Schrank 1788);Horton-Smith;Poultry Sci.,1956
3. Roberts, F. H. S., 1937. Studies on the biology and control of the large roundworm of fowls Ascaridia galli (Schrank 1788) Freeborn 1923. Animal Health Sta. Yeerongpilly, Queensland, Bul. 2, 106 pp., pis.
4. A preliminary report of the anthelmintic action of piperazine citrate on Ascaridia galli and Heterakis gallinae in hens;Shumard;Vet. Med.,1955
5. Further studies on the anthelmintic action of piperazine citrate;Shumard;Vet. Med.,1956