by FONTAINE, T. A., KLASSEN, J. F., CRUICKSHANK, T. S., HOTCHKISS, R. H.
Published in Hydrological sciences journal (01.02.2001)

by Klassen, J F, Trousdale, R T
Published in Journal of orthopaedic trauma (01.04.1997)

by Shannon, Brian D, Klassen, Jeffrey F, Rand, James A, Berry, Daniel J, Trousdale, Robert T
Published in The Journal of arthroplasty (01.10.2003)

by KLASSEN, F J, OBERHOFFER, G, VORLAENDER, K O
Published in Munchener medizinische Wochenschrift (1950) (07.06.1963)

by Klassen, J F
Published in Windsor star (03.02.2011)

by Ricken, D, Klassen, F J
Published in German medical monthly (01.08.1965)

by RICKEN, D, KLASSEN, F J
Published in Deutsche medizinische Wochenschrift (09.04.1965)

by N. F. MESCHERYAKOV, V. I. KLASSEN, J. V. RYABOV, M. A. PODVIGIN, A. A. KHAN, A. N. BALASHOV, S. F. SERGEEV ET E. J. PATT
Year of Publication 24.03.1978