by Fitzgibbons, Robert J, Giobbie-Hurder, Anita, Gibbs, James O, Dunlop, Dorothy D, Reda, Domenic J, McCarthy, Martin, Neumayer, Leigh A, Barkun, Jeffrey S. T, Hoehn, James L, Murphy, Joseph T, Sarosi, George A, Syme, William C, Thompson, Jon S, Wang, Jia, Jonasson, Olga
Published in JAMA : the journal of the American Medical Association (18.01.2006)

by Black, Richard E., Ja Choi, Kum, Syme, William C., Johnson, Dale G., Matlak, Michael E.
Published in The American journal of surgery (01.12.1984)

by Johnson, D G, Syme, W C, Matlak, M E, Black, R E, Herbst, J J
Published in Australian and New Zealand journal of surgery (01.10.1984)