by Stark, DD, Felder, RC, Wittenberg, J, Saini, S, Butch, RJ, White, ME, Edelman, RR, Mueller, PR, Simeone, JF, Cohen, AM
Published in American journal of roentgenology (1976) (01.08.1985)

by Felder, R C, Parker, J A
Published in Medical instrumentation (01.11.1985)

by Zachazewski, J E, Felder, C R, Knortz, K, Thein, L, Quillen, W S
Published in The journal of orthopaedic and sports physical therapy (01.08.1994)