Mc Geown, D., Danbury, T.C., Waterman-Pearson, A.E. and Kestin, S.C. (1999). “Effect of carprofen on lameness in broiler chickens”. Veterinary Record144 (24): 668–671. doi:10.1136/vr.144.24.668. PMID10404606.
Danbury, T.C., Weeks, C.A., Chambers, J.P., Waterman-Pearson, A.E. and Kestin, S.C. (2000). “Self-selection of the analgesic drug carprofen by lame broiler chickens”. Veterinary Record146 (11): 307–311. doi:10.1136/vr.146.11.307. PMID10766114.
Mc Geown, D., Danbury, T.C., Waterman-Pearson, A.E. and Kestin, S.C. (1999). “Effect of carprofen on lameness in broiler chickens”. Veterinary Record144 (24): 668–671. doi:10.1136/vr.144.24.668. PMID10404606.
Danbury, T.C., Weeks, C.A., Chambers, J.P., Waterman-Pearson, A.E. and Kestin, S.C. (2000). “Self-selection of the analgesic drug carprofen by lame broiler chickens”. Veterinary Record146 (11): 307–311. doi:10.1136/vr.146.11.307. PMID10766114.