B. J. Watrous, Pearson, E. G., Smith, B. B., Snyder, S. P., Blythe, L. L., Riebold, T. W., and Hedstrom, O. R.,
“Megaesophagus in 15 llamas: a retrospective study (1985-1993).”,
Journal of veterinary internal medicine / American College of Veterinary Internal Medicine, vol. 9, no. 2, pp. 92-9, 1995.
B. J. Watrous, Pearson, E. G., Smith, B. B., Snyder, S. P., Blythe, L. L., Riebold, T. W., and Hedstrom, O. R.,
“Megaesophagus in 15 llamas: a retrospective study (1985-1993).”,
Journal of veterinary internal medicine / American College of Veterinary Internal Medicine, vol. 9, no. 2, pp. 92-9, 1995.
T. L. Grubb, Schlipf, J. W., Riebold, T. W., Cebra, C. K., Poland, L., Zawadzkas, X., and Mailhot, N.,
“Minimum alveolar concentration of desflurane in llamas and alpacas.”,
Veterinary anaesthesia and analgesia, vol. 33, no. 6, pp. 351-5, 2006.
T. L. Grubb, Schlipf, J. W., Riebold, T. W., Cebra, C. K., Poland, L., Zawadzkas, X., and Mailhot, N.,
“Minimum alveolar concentration of sevoflurane in spontaneously breathing llamas and alpacas.”,
Journal of the American Veterinary Medical Association, vol. 223, no. 8, pp. 1167-9, 2003.