Natthasit Tansakul, Amnart Poapolathep, Naruamol Klangkaew, Napasorn Phaochoosak and Wanida Passudaruk 2005. Pharmacokinetics and Withdrawal Times of Enrofloxacin in Ducks. Agriculture and Natural Resources. 39, 2 (Jun. 2005), 235–239.