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

by Gillen, H. W, Pippinger, C. E
Published in Clinical chemistry (Baltimore, Md.) (01.05.1968)

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