by Schwarzkopf, Ran, Oh, Daniel, Wright, Elizabeth, Estok, Daniel M, Katz, Jeffery N
Published in The open orthopaedics journal (2013)

by Kocher, Mininder S, Dichtel, Laura, Kasser, James R, Gebhardt, Mark C, Katz, Jeffery N
Published in The American journal of orthopedics (Belle Mead, N.J.) (01.02.2008)

by Karlson, Elizabeth W., Sanchez-Guerrero, Jorge, Wright, Elizabeth A., Lew, Robert A., Daltroy, Lawren H., Katz, Jeffery N., Liang, Matthew H.
Published in Annals of epidemiology (01.07.1995)