by Kristofic, John J., Chmiel, Jeffrey D., Jackson, George F., Vorce, Shawn P., Holler, Justin M., Robinson, Stephen L., Bosy, Thomas Z.
Published in Journal of analytical toxicology (01.07.2016)

by Krištofič, J., Zahálka, F.
Published in Studia Kinanthropologica (30.09.2015)

by Kristofic, J D
Published in Pennsylvania medicine (01.03.1974)