by Weiker, G G, Kuivila, T E, Pippinger, C E
Published in The American journal of sports medicine (01.09.1991)

by Polin, Richard A., Pippinger, Charles E.
Published in The Journal of pediatrics (01.03.1978)

by Davis, William J, Pippinger, Charles E, Mellins, Robert B
Published in Pediatric research (01.04.1974)

by Polin, Richard A., Henry, Douglas, Pippinger, Charles E.
Published in The Journal of pediatrics (01.05.1977)