R. Cook

Urine toxicology screens in drivers suspected of driving while impaired from drugs.

M. Kirk, K. Kulig, B. Saltzman, 1996, Journal of toxicology. Clinical toxicology.

Causal factors of hot air ballooning incidents: identification, frequency, and potential impact.

Natassia Goode, Robert W Cook, Ashleigh J Filtness, 2014, Aviation, space, and environmental medicine.